Re: Alternator won't charge and reference wires are grounded
Sorry for the delay, I missed any responses.
Yes. the battery goes flat and won't start. Battery is 6 months old. Once the battery is charged it will start up again. There is a light on the dash indicating the alternator is not charging. Volts are 12.1.
There are 3 wires that come out of the back of the alternator. 1 goes to a fusible link to the battery. the other 2 plug into the alternator. Removing the wires causes the voltage to go up to 12.8V.
If I take those 2 wires, plug them back, they lead to the top of the engine block and into a wiring loom. When I jiggle those wires, the light on the dash goes out and the voltage jumps up to 14.4.
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1990 suburban r1500 k 350 2wd
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