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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Two bad alternators or bad wiring?

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Old May 8, 2020 | 08:43 AM
  #1  
Lawrence Bullock's Avatar
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Two bad alternators or bad wiring?

Wrecked my truck. Drive fine for weeks then the battery light came on. Parking Brake light doesn’t light up. An i changed the alternator twice and battery light is still on. Could i have a bad connection on my 80amp fuse? Or bad connection at alternator plug?


Fuse box damage

Alternator plug wiring


Last edited by Lawrence Bullock; May 8, 2020 at 08:45 AM.
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Old May 8, 2020 | 11:52 AM
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2ToyGuy's Avatar
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From: Chiloquin, OR
First, repair those alternator plug wires. At the very least, pull the pins out of the plug, put some heat shrink on the wires, and put the pins bak in. Best whould be to pull the pins, clip the wires at the far side of the break in the insulation, and crimp new pins on, then re-install them into the plug.

Second, I would pull the wire going to the fuse box off the positive battery terminal, and clean it thoroughly. It looks somewhat corroded, and even a small amount of corrosion can completely break a circuit.

Just my opinion, though...
Pat☺
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Old May 12, 2020 | 06:35 PM
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RAD4Runner's Avatar
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Bad wiring.
Here.
https://www.yotatech.com/forums/f116.../#post52401963

Last edited by RAD4Runner; May 14, 2020 at 11:23 AM.
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