3g Alternator Wiring DiagramSo the black/white plugs into the other terminal on the alternator and the yellow wire needs a constant 12V source. com e-mail: info@pa-performance. These wires provide power to the. I am planning on using a 3G ford alternator wired like the diagram, except that I am using a battery disconnect. It all depends on your needs. Wiring Instructions from Internal & External Regulator to 3G Upgrade Use the Pre-Wired Splice Green/Red stripe wire Adapter Harness Into Green/Red wire External Regulator that comes with at OEM Plug wiring To 3G Upgrade this Alternator Splice Into Green/OEMRed Stripe. Find the cars "Alt lamp" wire from the firewall, I know for sure on non-factory air con cars it's a bullet connection near the solenoid. Reply Save Like 1 Woodchuck · #3 · Aug 31, 2021. Many late-model vehicles use the engine computer, which is often referred to as the powertrain control module (PCM), to control alternator output. My question is: Since the alternator charge wire will be interrupted by the disconnect between the starter solenoid and the battery and my load point is the battery side of the starter solenoid. And aftermarket units up to 220A. Second, when wiring the alternator, make sure that the big battery cable is on the bottom and the output wire is on top. The alternator requires a different approach. Step 3G Alternator Upgrade 1965 Mustang. The 2G was the second, but uses a power plug instead of battery posts and cannot be upgraded. 3g alternator in fox wiring diagram. 3g alternator upgrade not successful. 3G Alternator - Wiring Yet another wiring question: I have a 3G alternator. Notice on the first diagram they have it connected directly to the main cable at the alternator. The ignition input wire is attached to the engine. On the 3G, this is fused by a 20A circuit, and I'm suspecting the coil wire doesn't have the voltage required by the alternator. add to cart price description $29. One way to wire a 3G alternator in place of the old 1G setup is to simply splice the old external regulator's I and A terminal wires into the corresponding wires from a 3G connector. Click Here To Order 3G Series Alternators Lester Nos: 7752, 7756, 7777 12:00 Mounting ear, M8 x 1. This is a three-wire alternating wiring diagram showing the connections between the different components of a circuit. Avoid bending it or damage to it - the alternator will fail and warranties void if this is removed or inoperable due to damage. Ford/Motorcraft Alternator Lineage 1G: 19641986 Ford's original, separately regulated, alternator design, production versions were. 3G Alternator Wiring Diagram. 3G Alternator Wiring Diagram [IMG]http://stasim. 1) A 3G alternator has an integrated regulator, if I'm not mistaken. Note the suggestions re adding a mega fuse, and eliminating the ammeter. It can be plugged into the corresponding plug on the rear of the alternator. Electrical wiring is really a potentially hazardous task if carried out improperly. Note 1: The instructions say to connect the 4 ga. (630) 957-4019 Tech@powermasterperformance. Alt RPM = Engine RPM x Alt Pulley Diameter ÷ Crank Pulley Diameter. The circuit comprises three main wires: battery positive cable, voltage sensing wire, and ignition wire. Wiring Diagram: You can make your own or buy a complete one from here: http://oldfuelinjection. The control circuitry is the same for both alternators, but the. Powermaster 3G Ford Upgrade Alternator Replaces these OEM Alternators Tech Dept (630) 849-7754 OEM Ford 2G Int OEM Ford External Regulator 1987-93 Regulator 1965-86 Wiring Instructions from Internal & External Regulator to 3G Upgrade. Look for 12 volts at the alternator output. Couldn't get the links to work, I found a wiring diagram for the 2000-2002 eclipse. The 10 gauge wire they recommend is even less adequate that the stock Mustang wiring. Now it does come in a couple of flavors. 2000 -2002 Mitsubishi Eclipse Vehicle Wiring Chart and Diagram [SIGPIC]http://www. The circuit comprises three main wires: battery positive cable, voltage sensing wire, and ignition wire. Cut the two black with orange stripe wires from the stock stator plug. com Forum">3G alternator wiring questions. We believe the 3G is the superior alternator, but the 4G series comes in several unique mounting styles which aren't compatible with 3G series alternators. com WIRING INSTRUCTIONS Ford 3G/4G Alternator (OE ONLY) 3G4G NOTE:This alternator is designed for vehicles already equipped with factory 3G/4G Ford wiring connections. Ford 3G Alternator Wiring Diagram Source: zetan. It will run from the B+ stud on the alternator to the B+ (battery) side of the fender mounted starter solenoid. Wiring Diagram: You can make your own or buy a complete one from here: http://oldfuelinjection. Here is a wiring diagram of the charging system used in the 1998-2002 crownvics. WIRING INSTRUCTIONS Ford 3G/4G Alternator (OE ONLY) 3G4G NOTE:This alternator is designed for vehicles already equipped with factory 3G/4G Ford wiring connections. Makes wiring up the 3G series alternator very easy. According to the wiring diagram I see there is a three wire connector that plugs into the back of the alternator with a black/white wire, yellow wire and red/green wire. Engine 3G alternator ground questions. Going to work on it more tomorrow, and. A bullet male plug will plug into the female hole at this location (the hole that is the wire that goes to the "F" terminal on the reg} and go to the new red and green wire for the new alternator. The 3G Series alternator features internal fans and voltage regulator. Everything "seems" to be working fine. Locate the Black/Red wire with the pre-installed ring terminal. Pretty much leave the way the 3G as is, connect the new at least 6 gauge or smaller gauge (larger wire) from the back of the alt to the battery or the common + point on the solenoid. This Diagram was very helpful NOTE: The Green and red wire from the alternator will go to the white wire from the "F" terminal from the old regulator. Wired the a wire to the big terminal on the back of the alternator, wired the S wire to the stator plug. There are four wires on an alternator: the main positive wire, the main negative wire, the sense wire, and the field wire. And then cut the wire out of the fireplug, and just soldered it to the stator pigtail. 1G to 3G Alternator Conversion. Upgrade from the inferior 1G and 2G series external regulated alternators to the high amp 3G series performance alternator made easy. 3G Series High Output Alternators. One need to never attempt functioning on electrical. The circuit is made up of three major wires: a positive cable for the battery, a voltage detecting wire, and an ignition wire. 1) A 3G alternator has an integrated regulator, if I'm not mistaken. Ford type 3G Series High Output Alternators. My wiring harness has a red cable that says "alternator power" and a white one that says "alternator Exciter". Then you snipped the factory plug off with the green/red and yellow wires and hooked them up. From the diagrams I have seen, I need to attach the white/black wire to the spade terminal on the alternator, the yellow wire to the B+ terminal. 3G Alternator Wiring Diagram. Install a 4AWG (or larger, but not smaller) cable from the alternator lug to the "hot" side of the starter relay, and put a 125A-200A fuse inline. The most basic motorcraft 3 wire alternator wiring diagram is made up of a few simple components. php?type=sigpic&userid=20908&dateline=1287782130 [/SIGPIC] My Eclipse. WIRING INSTRUCTIONS Ford 3G/4G Alternator (OE ONLY) 3G4G NOTE:This alternator is designed for vehicles already equipped with factory 3G/4G Ford wiring connections. For the output, I have spliced the wires together and simply attached them to the battery stud on the 3G alternator with a common ring terminal and added a 4g wire running directly to the starter relay (this will be fused with a mega fuse). This Diagram was very helpful NOTE: The Green and red wire from the alternator will go to the white wire from the "F" terminal from the old regulator. First you need to get a 3G alternator, although on the Wiring It tab we will discuss the necessary "charge cable" and fuse. The 3G alternator comes in outputs all the way to the 130 amp version. Notice on the first diagram they have it connected directly to the main cable at the alternator. Here's the wiring diagram to show why Do not connect the black orange wires to the alternator: tape them up out of the way. the wire is to small to handle the load. These cars can have either a 4G or a 6G series alternator installed. No more measuring, stripping, splicing, and crimping. The sensing wire is looped from the. The 3G alternator comes in outputs all the way to the 130 amp version. 25 hole forGround Strap Charge Post Size M6 x 1. Here is the reasoning behind using only a single 4 gauge fused power feed to the alternator. The 3G alternator is internally regulated and does not require it. charge post (cut them and tape them up). If you're looking to wire a 3G alternator, there are a few things you need to know. do not remove any of the wires or fusible links at. The ignition input wire is attached to the engine. Look for 12 volts at the alternator output. Get a short piece of wire with an adequate terminal plug on one end, and an o-ring on the other. 3G Alternator Wiring Diagram – Database. The wiring diagram for this alternator is shown below. I went to the junkyard today and got an alternator out of a 90s Ford Mustang. The 3G alternator uses 5 wires: · A large threaded battery connection marked “BAT+” · A small spade terminal, usually with a gray connector · A voltage regulator plug with 3 wires marked “A,” “S,” and “I” Wiring · Disconnect both battery cables (negative cable first, of course) · Install the new alternator. Once connected to the Alternator, route the Black/Red wire to a clean chassis ground source or to the "-" side of the battery. 4G series used in some applications where the 6G series would not fit. In effect, you have no overload protection. The circuit is made up of three major wires: a positive cable for. F150 and 3G alternator wiring. It can be installed as is, but the wiring faces the other side of the motor. If you really feel the need for protection, then the fuse should be sized to 125% of the maximum alternator output, or 1. alternator wiring diagram help. (if the vehicle has an electric choke, it should be connected to this wire using a crimp or solder connection) www. Recommended specs for 3G alternator upgrade. 3G Alternator - Wiring Yet another wiring question: I have a 3G alternator. Slide the two ring terminals onto the power lug of the alternator and install the retaining nut Connect the stater plug Connect the regulator plug Re-install the serpentine drive belt Re-connect the battery Test for operation At this point, you could call the installation done. wire, and wire #38 BK together at the alternator. The 3-wire alternator technically has two wires going to and from it – the exciter wire, and the positive battery wire. In the Mustang version notice that they have the yellow wire going back to the solenoid. wire, and wire #38 BK together at the alternator. What Are The 4 Wires On An Alternator. Getting ready to completely rewire my '54 Ford that I'm installing a 302 in. One need to never attempt functioning on electrical cabling without knowing the below tips and tricks followed by even the many experienced electrician. How To: 1G to 3G Alternator Conversion. How to Connect Delco 10SI 3 wire Alternator. These include power sources such as car batteries or electrical sources, fuses, switches, ground connections, and of course the alternator itself. Motorcraft 3 Wire Alternator Wiring Diagram. I cut off the fireplug, soldered the two B+ wires to the 2 white wires shown below. Alternator Wiring Diagrams. I bought a pigtail for a 3 g alternator and the stator plug off Amazon. Cut the yellow wire and the green wire from the regulator plug. For the output, I have spliced the wires together and simply attached them to the battery stud on the 3G alternator with a common ring terminal and added a 4g wire running directly to the starter relay (this will be fused with a mega fuse). 3G Alternator Wiring Question. The stator circuit is bridged externally to the regulator on the 92-97 cars rather than internally. Discard the old regulator and stator plugs. Here are the two regulator related wiring connectors for the 1992-1997 cars. For correct overload protection, the fuse rating CANNOT be more than the actual wire ampacity rating (INCLUDING WIRE CONNECTORS), which for the sizes in your diagram are 65 amps for #6 and 75 for #4. January 20, 2021 3G Alternator Wiring Diagram - Database. Here's one wiring method for replacing it with a 3G. Disconnect the black/orange power/charge wires from the alternator. The circuit comprises three main wires: battery positive cable, voltage sensing wire, and ignition wire. Upgrade to a Ford 3G Alternator eliminating the external regulator and harness. How to Identify Your Ford 3G, 4G & 6G Series Alternator. The relay is activated by a very small current across its coil which throws a heavy duty, high amperage switch inside the relay closing the circuit between your larger gauge source wiring and the headlight, eliminating the huge draw of the headlights running through your 40 year old headlight switch. Terminal 1 should be connected to the gen, battery, or alt dashboard light. If you pull the wiring out of donor car you will see that the factory also runs the yellow wire back to the solenoid. The 3G Series alternator features internal fans and voltage regulator. Ford 3G Alternator Wiring Diagram. This is a three-wire alternating wiring diagram showing the connections between the different components of a circuit. The circuit comprises three main wires: battery positive cable, voltage sensing wire,. Ford 3G Alternator Wiring Diagram. I just wanted the stator connector pigtail, but they were going to charge the minimum of $15. A 175 amp fuse will be 270% of the #6 rating, and 230% of the #4. 3 Wire Alternator Wiring Diagram – What Wires Go Where?. do not connect the black/orange wires to the alt. they are all correct. Large 3G alternators are safe to ~15,000RPM max. The 3G alternator uses 5 wires: · A large threaded battery connection marked “BAT+” · A small spade terminal, usually with a gray connector · A voltage regulator plug with 3 wires marked “A,” “S,” and “I” Wiring · Disconnect both battery cables (negative cable first, of course) · Install the new alternator. This particular model has an external regulator, which means that the voltage regulator is not built into the alternator itself. Put a ring terminal on the wire coming from “A”, and double it up on the lug to which the large battery cable attaches to the alternator. I need a 3g alternator in fox wiring diagram. It conducts electricity from the engine to the alternator while the. Alternator: There are a couple of different case sizes of 3G alternators, different mounting. If you want a 130 amp alternator tell the parts guy you have a 1997 Taurus 3. This is a three-wire alternating wiring diagram showing the connections between the different components of a circuit. Prefabricated wiring harness is a hassle-free way to wire up your 3G series alternator. The 3G alternator uses 5 wires: · A large threaded battery connection marked “BAT+” · A small spade terminal, usually with a gray connector · A voltage regulator plug with 3 wires marked “A,” “S,” and “I” Wiring · Disconnect both battery cables (negative cable first, of course) · Install the new alternator. 3G alternator wiring questions. It doesn't matter what application the pigtail comes off of, all 3G pigtails are the same. A larger pulley will allow the engine to rev higher without driving the alternator to fast. Bart What, me worry? :shrug: - Alfred E. Joined Oct 7, 2010 Messages 104 Loc. A typical 3-wire alternator wiring diagram with an internal voltage regulator. But, I'm not sure what to do with the red/green wire. A three-wire alternator wiring diagram shows how the various components of a circuit are connected. Sep 27, 2014 #1 Hey guys, I'm following the wiring diagram below and am using a '95 Mustang 3G alternator with the wiring plug below. Trim the new stator plug down and strip the wire end. Summary for wiring with ammeter (Mustang): Alternator B (output stud) - to battery + at starter relay (w/ fuse link) STA - to electric choke (if required) FLD - to F terminal on regulator GND - to ground Regulator. I bought a pigtail for a 3 g alternator and the stator plug off Amazon. com">Ford 3G Alternator Wiring Diagram. Thread starter Danny128; Start date Sep 27, 2014; D. I'm planning on using a new 3G alternator with a lead for the dash warning light. Connects To The Ground The main negative wire on an alternator connects to the vehicle’s chassis. 3G Alternator wiring help(look at my diagram). I'm following the wiring diagram below and am using a '95 Mustang 3G alternator with the wiring plug below. Click the "Buy" button to order the 925606 easy Ford wiring harness adapter plug. Ford 3G Alternator Wiring Diagram. Most modules use an internal driver to turn the alternator's field circuit on. Wiring Instructions Powermaster Ford 3G Alternator. The 10 gauge wire they recommend is even less adequate that the stock Mustang wiring. This is the wiring diagram of the charging system used in the 1992-1997 All of these cars have a 3G series alternator. BATTERY + OR STARTER SOLENOID Size OE Ford 3GConnectorsM8 x 1. Ford 3G Alternator Connection Kit This kit contains all of the components needed in order to connect a Ford 3G Alternator. A typical 3-wire alternator wiring diagram with an internal voltage regulator. June 25, 2020 Ford 3G Alternator Wiring Diagram Collection. The attached diagram from a Hot Rod article shows to install a 100+ amp Mega fuse in the hot lead from the alternator to the battery. 0 holes forGround Strap/Support Bracket. When taking the alternator to Advance Auto down the road to test, it tested out perfectly fine. The regulator has 4 lines You cut two of them, and then one goes to the alternator which you are removing, and the last one you have hooked to the new alt. First you need to get a 3G alternator, although on the Wiring It tab we will discuss the necessary "charge cable" and fuse. only attach the charge wire to the charge post, run it to the fuse and out of the fuse to the starter relay. If your alternator is not a direct one for one swap with a 94-95 Mustang 3G alternator, that may not apply. Put a female spade terminal on the wire coming from “S”, and slide it on the male spade on the side of the alternator. Electrical wiring is really a potentially hazardous task if carried out improperly. Galaxie generator to Ford 3G alternator guide. I'm following the wiring diagram below and am using a '95 Mustang 3G alternator with the wiring plug below. I do believe I have the wiring correct. com WIRING INSTRUCTIONS Ford 3G/4G Alternator (OE ONLY) 3G4G NOTE:This alternator is designed for vehicles. Preparing Wiring for 130 Amp Alternator. The relay is activated by a very small current across its coil which throws a heavy duty, high amperage switch inside the relay closing the circuit between your larger. WIRING INSTRUCTIONS Ford 3G/4G Alternator (OE ONLY) 3G4G NOTE:This alternator is designed for vehicles already equipped with factory 3G/4G Ford wiring connections. 4G used on some Crown Victoria and has. Upgrade from the inferior 1G and 2G series external regulated alternators to the high amp 3G series performance alternator. only attach the charge wire to the charge post, run it to the fuse and out of the fuse to the starter relay. do not remove any of the wires or fusible links at the relay as the yellow wire runs …. The engine is connected to the ignition input wire. This kit should contain the following: (1) 7’ Red 6. This is the wiring diagram of the charging system used in the 1992-1997 All of these cars have a 3G series alternator. 3 Wire Alternator Wiring Diagram. Wiring Instructions Powermaster Ford 3G Alternator Tech Dept (630) 849-7754 Replaces these OEM Alternators OEM Ford 2G Int OEM Ford External Regulator Regulator 1987-93 1965-86 Wiring Instructions from Internal & External Regulator to 3G Upgrade OEM Plug Int Reg Splice Green/Red stripe wire Into Green/Red wire at OEM Plug wiring. So I thought it was time for the 2g to 3g converstion. Click Here To Order 3G Series Alternators Lester Nos: 7752, 7756, 7777 12:00 Mounting ear, M8 x 1. Then you snipped the factory plug off with the green/red and yellow wires and hooked them up. Computer-Controlled Voltage Regulation. The diagram shows the wire hookups and the most common Ford wire colors. This white wire dead ends to a female plug under the battery area (the extension plug bundle that used to go from here to the old alternator , will NOT be used. Wiring Instructions Powermaster Ford 3G Alternator Tech Dept (630) 849-7754 Replaces these OEM Alternators OEM Ford 2G Int OEM Ford External Regulator Regulator 1987. New 3G alternator and wiring harness problem. I am planning on using a 3G ford alternator wired like the diagram, except that I am using a battery disconnect. Motorcraft 3 Wire Alternator Wiring Diagram">Motorcraft 3 Wire Alternator Wiring Diagram. It doesn't matter what application the pigtail comes off of, all 3G pigtails are the same. We strongly recommend the use of a #6 or#4 wire for the B+ output. The engine is connected to the ignition input wire. Leave the black/orange power/charge wire (actually, it's yellow at that point) connected to the hot side of the starter relay. A three-wire alternator wiring diagram shows how the various components of a circuit are connected. On the small alternator plug there is a green wire. Upgrade to a Ford 3G Alternator eliminating the external regulator and harness. The most basic motorcraft 3 wire alternator wiring diagram is made up of a few simple components. Usually swapped to the 3G Series which is still in use and is easily upgraded. The functions of these wires are as below. *** The wiring graphics are courtesy of RJM Injection Tech. These include power sources such as car batteries or electrical sources, fuses, switches, ground. Wire the battery to the two 1/2" posts as shown in the diagram. 130A 3G Alternator upgrade on 6. Tighten the bolt with a nut to connect the two o-rings with the alternator. First G-series to have internal voltage regulator. 3G alternator: Look for 12 volts at the stud on the back of the alternator where the 4 gauge power feed wire is bolted. If you use the two 10 gauge black/orange wires in addition to the 4 gauge wire, you have two fused power feed paths. com Steps 8-10 Picture 1 3G Ford Alternator Installation Performance (see the instructions for better. How To Install Mustang 130 Amp Alternator (86. 0, Iron GT40 heads, Trick Flow Stage 1 Cam, Edelbrock Performer 5. Computer-Controlled Voltage Regulation Many late-model vehicles use the engine computer, which is often referred to as the. The 3G Series alternator features internal fans and voltage regulator. Fuses blow at more-or-less 100% of their rating, you need the extra 25% to avoid nuisance tripping. And then a 10g power wire to the big terminal. PDF Wiring Instructions Powermaster Ford 3G Alternator. The 3G alternator is a high output alternator that is often used as an upgrade on Ford vehicles. Trim back the harness tape and wire loom. Rounded up to 175, the nearest size. 3G Alternator Wiring Diagram [IMG]http://stasim. Here's one wiring method for replacing it with a 3G. You can see in the diagram above they used a fuse. The ignition input wire is attached to the engine. The three choices are a 7 inch pivot mount, an 8. Reply Save Like 1 Woodchuck · #3 · Aug 31, 2021 Easiest is 95A 3G for a '95-97 F-350 7. A typical 3-wire alternator wiring diagram with an internal voltage regulator. A 3g plug harness WILL come with that conversion regulator from PA to complete this wiring. I printing the schematic plus highlight the signal I’m diagnosing to be able to make sure Im staying on right path. Combines Plug # 462802 and the stator lead connector # 462804. If you're thinking 3G, read here. My current questions are: 1) How do I go about finding which wire connects to the ammeter? I read that that I have to make sure to remove this and can add a voltmeter later. in the two-wire connector. It conducts electricity from the engine to the alternator while the. I'm planning on using a new 3G alternator with a lead for the dash warning light. 25 inch pivot mount and a side mount with horizontal bolts. Here's a wiring diagram: There are other ways to convert to a 3G alternator. This will be a new wire that bolts to the back of the large alternator terminal, and runs directly over to the battery +. And then cut the wire out of the fireplug, and just soldered it to the stator pigtail. Wiring Diagram:. What Are The 4 Wires On An Alternator. WIRING INSTRUCTIONS Ford 3G/4G Alternator (OE ONLY) 3G4G NOTE:This alternator is designed for vehicles already equipped with factory 3G/4G Ford wiring connections. Strange 2g alternator wiring?. This is an externally regulated unit so it is a good upgrade to keep your wiring intact. Here's a wiring diagram: There are other ways to convert to a 3G alternator. Here's the wiring diagram to show why Do not connect the black orange wires to the alternator: tape them up out of the way. We explain how to wire a 3 wire Delco 10si alternator and how to check for correct belt and pulley width and check to see if alternator is charging plus trou. Ford Crown Victoria Alternator Wiring Diagrams. Prefabricated wiring harness is a hassle-free way to wire up your 3G series alternator. A larger pulley will allow the engine to rev higher without driving the alternator to fast. Mustang 130 Amp Alternator (86. ford 3g alternator and battery disconnect. That is a good idea but is optional. 25 Thread, 148mm Diameter Large Case Used On: (1992-91) Ford Taurus, Mercury Sable 3. Tighten the bolt with a nut to connect the two o-rings with the alternator. The 3G alternator comes in outputs all the way to the 130 amp version. The 3G alternator is a high output alternator that is often used as an upgrade on Ford vehicles. Large 3G alternators are safe to ~15,000RPM max. They have instructions for a “1G to 3G Alternator Upgrade”, but they are generic instructions and dare I say could be hazardous to the health of your car’s electrical system- more on that below. I will post actual pictures later today. Computer-Controlled Voltage Regulation Many late-model vehicles use the engine computer, which is often referred to as the powertrain control module (PCM), to control alternator output. 0 intake, Tri-Y Headers, C4 with 2500 stall, 8" rear with 3. cc Before reading a new schematic, get familiar and understand each of the symbols. 5L 3G Alternator Upgrade. You need the pushrod motor not the over head cam motor. Connect the "I" (green) wire directly to a key on hot post directly at your key switch, or if the car still has its original alternator harness connect the alternator I terminal to the I wire in the harness. No 12 volts and the dark green fuse link between the orange/black wires and the battery side of the starter solenoid has open circuited. When taking the alternator to Advance Auto down the road to test, it tested out perfectly fine. Prefabricated wiring harness is a hassle-free way to wire up your 3G series alternator. There are four wires on an alternator: the main positive wire, the main negative wire, the sense wire, and the field wire. The only connection on the STA terminal on the alternator would be the electric choke (if needed). The wiring diagram for. Galaxie generator to Ford 3G alternator guide">Galaxie generator to Ford 3G alternator guide. A three-wire alternator wiring diagram shows how the various components of a circuit are connected. 40 gears Richelieu Registered Joined Mar 5, 2001 1,876 Posts #2 · Mar 31, 2004. There are four wires on an alternator: the main positive wire, the main negative wire, the sense wire, and the field wire. Makes wiring up the 3G series alternator very easy. The attached diagram from a Hot Rod article. 3G Alternator wiring help (look at my diagram). Plug the wire into terminal 2, and place the o-ring side over the bolt, after the red wire. We explain how to wire a 3 wire Delco 10si alternator and how to check for correct belt and pulley width and check to see if alternator is charging plus trou. The diagram shows the wire hookups. Depending on how you cut your junkyard harness, either before at the connector, you will see two colors of wire - Green / Red and Yellow /White. 3G alternator wiring questions. com">Ford type 3G Series High Output Alternators. Plug the wire into terminal 2, and place the o-ring side over the bolt, after the red wire. First, the 3G has three wires: the big battery cable, the little ignition wire, and the output wire. When I complained that if the 150A fuse link opened, whatever took it out would surely melt. This means, you don't need your own Now, that might be a bold statement, but follow along 1a) Look at the diagram. Slide the two ring terminals onto the power lug of the alternator and install the retaining nut Connect the stater plug Connect the regulator plug Re-install the serpentine drive belt Re-connect the battery Test for operation At this point, you could call the installation done. There is a solution, but it will require about 40' of 18 gauge green wire. The first G-series was the 1G externally regulated alternator. The 3G alternator is a high output alternator that is often used as an upgrade on Ford vehicles. Ford 3G Alternator Wiring Diagram Collection. This wire will connect to the "Ground" lug on the Alternator ensuring the unit is properly grounded. The circuit is made up of three major wires: a positive cable for the battery, a voltage detecting wire, and an ignition wire. The instructions say to connect the 4 ga. They have instructions for a “1G to 3G Alternator Upgrade”, but they are generic instructions and dare I say could be hazardous to the health of your car’s electrical system- more on that below. Wiring up a Ford 2G Alternator. This is a three-wire alternating wiring diagram showing the connections between the different components of a circuit. For the output, I have spliced the wires together and simply attached them to the battery stud on the 3G alternator with a common ring terminal and added a 4g wire running directly to the starter relay (this will be fused with a mega fuse). 3G, 4G & 6G Series Alternator">How to Identify Your Ford 3G, 4G & 6G Series Alternator. 3G 130 amp alternator wiring question. 3 Wire Alternator Wiring Diagram This is a three-wire alternating wiring diagram showing the connections between the different components of a circuit. Read the particular schematic like a roadmap. What Are The 4 Wires On An Alternator. Put a female spade terminal on the wire coming from “S”, and slide it on the male spade on the side of the alternator. Put a ring terminal on the wire coming from “A”, and double it up on the lug to which the large battery cable attaches to the alternator. This is an externally regulated unit so it is a good upgrade to keep your wiring intact. If your alternator is not a direct one for one swap with a 94-95 Mustang 3G alternator, that may not apply. Alternator: There are a couple of different case sizes of 3G alternators, different mounting locations, and even different hole-to-hole dimensions: 90 Amp (small case) or 130 Amp (large case). the wire is to small to handle the load. 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks. Getting ready to completely rewire my '54 Ford that I'm installing a 302 in. Get a short piece of wire with an adequate terminal plug on one end, and an o-ring on the other. So I thought I’d take all the wiring, but then thought about the alternator. One way to wire a 3G alternator in place of the old 1G setup is to simply splice the old external regulator's I and A terminal wires into the corresponding wires from a 3G connector. A smaller pulley will spin the alternator faster at idle to create maximum output. We explain how to wire a 3 wire Delco 10si alternator and how to check for correct belt and pulley width and check to see if alternator is charging plus trou. The last is the large output wire. This is just for alarm installs which is what I needed them for.