Re: Electrically dead 1999 Suburban

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Posted by Wait Griswold (76.246.55.230) on 16:46:20 07/30/09

In Reply to: Electrically dead 1999 Suburban posted by Wait Griswold

I am reporting back on the solution to my problem.

I took the battery out and cut off the rubber boots on the cables. The lugs on the end of the + cable were dirty with some thick dark stuff. that may be some material that I seem to remember putting on the terminals to resist corrosion. Fortunately there was no evidenced of acid leakage or damage to the cables. Then I took the battery to an auto parts store to be tested. It tested OK but they said to leave it for awhile as it need 30 min of charging. When I came back they said it had failed. That was good news as it gave me an explanation for the problem. I got a new battery and installed it today. The lug had small protrusions that indented into the lead slug. I decided to reuse the slug with a brass washer added to the terminal so that if the slug had compressed the bolt would not bottom out. I was afraid that the protrusions would not allow good contact with other lug. Everything seems fine now.

Thanks for your help.

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