North American Turbocoupe Organization



130 amp wiring
Retired 56 Offline
Member
#1
I need a little help repairing someone else's work. Somewhere along the line someone put in a new alternator. When they did they cut the output wires on the alternator and spliced in two 8 ga. wires which they ran straight to the solenoid. The original wire which ran into the wire bundle was capped off. The output wires that came out of the alternator were in a plug on the side of the case. These wires were too close to the bracket and chaffed through resulting in a meltdown the other day. Luckily my son who was driving the car shut things down quickly and no damage was done other than frying the alternator. I've decided to do the 3G swap. My question is 1. can I just hook up the original output wire instead of cutting it and splicing in a wire? 2. can I then add a new 10 ga. wire as Jeff's directions state? 3. can I use one of the other person's 8 ga. wires to run from the alternator output to the solenoid?. I've tried to attatch a picture of the wiring bundle exposed. The green wire that attatches to the other end of the large yellow wire and then to the solenoid was fried probably since the original output wire was not used it tried to carry all the load from the car. The previous owner just rapped it in tape. Lucky the car was not burned to the ground. Others beware! follow Jeff's suggested wiring.
K&N cone, lowering springs urethane bushings subframe connectors, 255 pump, Spec stage 3, kevlar posi , 5 lug swap, Cobra 13"fr & 11.65 rear brakes
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Jeff K Offline
Administrator
#2
WHile there may be many ways to wire the 130 A alt that will work safely and efficiently, I know my method works well. You could always use the 8 ga in place of 10 ga wire for a bigger margin of safety. As far as using the original alt wire, be asure it is in GOOD condition before you use it. Amny times the wire and/or ist insulation is in bad shape due to heating effects of having to carry too much current as it was originally wired.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 23 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 04 Taurus Duratec (wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Retired 56 Offline
Member
#3
Thanks Jeff Did you take a look at the picture? The wire at the top of the photo was originally wired to the soenoid and due to the incorrect wiring someone did, it fried just like you said it might. Thanks again for all the help.
K&N cone, lowering springs urethane bushings subframe connectors, 255 pump, Spec stage 3, kevlar posi , 5 lug swap, Cobra 13"fr & 11.65 rear brakes
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