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There is no power coming from the wires that plug into the back of the alternator. I tested it with a test light . No bright light or dim light .the power cable on top of alternator works but ive been told that the ground is not hooked up but I dont no where the ground is for the alternator.

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  • Contributor
  • 9 Answers

The alternator grounds itself by being bolted onto the engine. Could be the brush and diode assembly nreds replacing. It is a common cause of the problem you mention. It normally bolts off with a screw or two right where you plug the wires into the alternator

Posted on Nov 07, 2014

  • Robert Kearsey Nov 07, 2014

    Thanks for the help

  • Robert Kearsey Nov 07, 2014

    Ok two wires are plug into the back of the alternator .are they both grounds or no im following them now from the alternator.

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Posted on Jan 02, 2017

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SOURCE: 2001 Jeep wrangler not charging. Alternator has

on the field wires ones a posative and one a negative and the single post gets connected to a wire that runs straight to the main fuse box in the engine compartment then is fused to another wire that goes to the battery have that fuse checked it could be your problem as far as the feild wires the positive side only works when you start the vehicle up to engage the field

Posted on Apr 13, 2009

  • 1 Answer

SOURCE: 2004 Cavalier Day/dim lights not working

I finally got mine fixed!! It was the crossover wires between headlights(the wires that run in front of the radiator). One wire was torn into. Spliced them and taped back together. Hope this works for you!! I also used something called wire caps that help hold the spliced wires together. I found this solution on yahoo.com search engine where someone else had suggested this. My only problem was no dim lights, but all the other lights worked fine.

Posted on May 11, 2009

  • 64 Answers

SOURCE: Changed alternator & battery but car does not charge

make sure all those spots the wire daisy chains too arent corroded and clean and shiny bright, check all your connections and check that theres no corrosion on the bolts or mounting points. other then that you may just have a bad alternator again, autozone parts arent always the best

Posted on Jul 10, 2009

dturnlund
  • 45 Answers

SOURCE: my alternator tested good battery tested good but

I would think there's a short in the circuit somewhere that's draining the battery.
Does it have a voltage regulator? It's possible that the power generated by the alternator isn't recharging the battery.
It's also possible that one of the terminals on the alternator isn't connected properly, I had that happen in my hot rod once and it cost me a bundle to find out it was bad connector i could have fixed for 5$
I hate electrical problems.

Posted on Mar 01, 2010

drsinister69
  • 2317 Answers

SOURCE: speakers have no sound coming from them.

There is not fuse for the speakers themselves. The speakers maybe blown out. I would take a speaker out and connect it to the home stereo and see if it works. I would check to see if the speakers are plugged in also.

Posted on May 01, 2010

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REMEMBER an open door,trunk or hood may cause a FALSE bright light on your test light because of courtesy light switches and alarm switches so manually close those switches if you need to keep one of the doors or hood/trunk open to gain access to the multiple fuse boxes in many vehicles.
DO NOT TURN ON THE KEY during this test, as all power to the vehicle is now going through the test light and things won't be happy if you do.

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