IHADAV8.com - Turbo Buick Tech, and Nonsense
Tech Area => General Buick Tech => Topic started by: phagen28 on September 07 2020, 02:30:45 PM
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I have something here that I have never noticed before. My battery recently went dead while sitting. To check for a draw just to be sure, I checked with a test light from Neg cable to the neg. battery and light lit. Next I used my multi meter in the same position and got 14MA draw that way. I have read here and believe that is an acceptable amt of draw, but I just now noticed that when i touch the neg cable to the battery I get 1 single "Ding" that comes either from the headlight switch or that immediate area.I have never noticed this before but wonder now if my headlight switch might be a problem or if this is normal.
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That's a tough one. The very first mod I do to all my car is find that damn buzzer and kill it.
That being said, the most common cause of batteries going dead in the middle of the night is the fan delay relay. Have you already removed yours and smashed it with a hammer yet?
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14 ma should take months to drain a good battery. The delay relay is the number one culprit as Earl says.
If you have had the battery load tested and are convinced it is good, then try pulling the Inst LPS fuse and see if that fixes the problem.
The cig-clk fuse would be the second one, I would try pulling if the problem persists.