4G Alternator install wiring

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4G Alternator install wiring

Postby mickphatmac » Fri Sep 21, 2018 10:38 pm

Not EFI, all of my old wiring still exist and just the front serpentine belt from 2001 explorer to include the 4G alternator.

So I’m running the yellow wire on the alternator to the 12v output. Then larger (red +) wire from the output to 175amp mega fuse to the battery.

A couple of questions???

The green/red wire on the alternator, does it go to the green/red wire on the Voltage Regulator? OR does it go somewhere on the starter solenoid?

Also, where the triple pigtail is, the old alternator wiring, can I get rid of that, just unplug it? If not, what do you suggest I do with it?

Any pictures with labels, colors, arrows, would be greatly appreciated!!!
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1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
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Re: 4G Alternator install wiring

Postby Eck » Fri Sep 21, 2018 11:06 pm

http://classicbroncos.com/forums/showth ... p?t=257251

I have not done a 4G but this explains it I think.

I used this picture to wire my 3G
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69 Wagon, 351W, Explorer EFI & Serpentine, ZF5, 35" tires, 3.5 SL, 2 BL, WARN 8274
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Re: 4G Alternator install wiring

Postby BroncoRaider » Sat Sep 22, 2018 5:36 am

4G Explorer alternator wiring without EFI. Yes I know this is only slightly better than drawing it in MS Paint, but it works.
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“Buddy” - 1975 Bronco Sport, 302/Viperbuilt 4R70W/D20, Explorer EFI, More Patina than Paint...
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Re: 4G Alternator install wiring

Postby mickphatmac » Sat Sep 22, 2018 9:13 am

So does anyone see the starter switch wire in any of my photos? Can you point that out to me?

... or do I need to run that alternator wire all the way to my ignition switch?
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1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
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Re: 4G Alternator install wiring

Postby BroncoRaider » Sat Sep 22, 2018 9:33 am

It should be one of the wires on your voltage regulator. Pretty sure the arrow you added to the second picture is pointing to it. Instead of connecting to the voltage regulator, it should connect to the green/red from your alternator.
“Buddy” - 1975 Bronco Sport, 302/Viperbuilt 4R70W/D20, Explorer EFI, More Patina than Paint...
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