charging system
30

Asked by jecmt7 Jun 04, 2018 at 03:19 PM about the 1998 Dodge RAM 1500 Laramie SLT Quad Cab 4WD

Question type: Maintenance & Repair

1998 ram 1500 5.9 gas. charging system not functioning, had alternator
tested on and off vehicle, two diff. shops and alt. is good. Is there somewhere
other than the pcm I need to check before replaceing it. I understand the
voltage regulator is in it.

4 Answers
34,720

charles answered 6 years ago

DO NOT REPLACE PCM. replace the alternator they are not testing it properly.

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4,780

jetjurnigan answered 6 years ago

Swap the relay labeled ASD in your power distribution box under the hood with another like relay. It is what turns on the alternator. Prolly ur problem.

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30

jecmt7 answered 6 years ago

Ok, I had the alternator checked by an alternator shop and other than the brushes was down to 25% (I had them replace them) it was fine. So I will check the asd relay Any thing else I should look at? Fusable link maybe?

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Swingbass answered 5 years ago

After changing the computer, the alternator, and the battery and still having no charge or voltage on the my 2004 Dodge Rams voltage meter, I found jetjurnigan's answer above. Problem solved.

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