Intermittant dead battery?????????????? - Chevy Impala SS Forum
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post #1 of 14 (permalink) Old 01-31-2007, 12:21 AM
LT1Caddy
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I've had a problem the last month or so with the battery going dead and the car not being able to start.
I've checked the battery for a dead cell (new battery Delco 5/06), checked alt for bad diode and charging,it's good.I had a load test on the battery, good.
Checked for "draw" on battery and it shows very little.
I can drive car for 2-3 days no problem starting. Short trips never a problem, only when it sits for extended period of time, say 6 hours or more, but NOT all the time.
Anyone had a problem like this with a 94 FW or have an idea where to start looking?????

TIA
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post #2 of 14 (permalink) Old 01-31-2007, 12:29 AM
caddyguy109
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If it's checking out fine, then how is it dead?

I was having lots of weird slow start and once or twice no start issues with my '95, and after the battery checked out fine, I finally realized that the cable bolts attached to it were old and nasty and kept getting loose. Replaced those, and haven't had a nick of a problem yet.

But yours does sound a bit different--still worth checking, though (if you haven't already). Otherwise, there's a lot of different things it could be.
post #3 of 14 (permalink) Old 01-31-2007, 07:00 AM
LT1Caddy
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Hi....No, I've checked, tightened all the connections, nothing loose.
I'm just wondering if this problem is common or someone has experienced the same thing and can give me a clue on where to start.
Thx
 
post #4 of 14 (permalink) Old 01-31-2007, 07:46 AM
edy923
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How much of a draw is a little draw? Give us numbers. You know cold weather and batteries dont mix. But I still wanna kmow what your draw numbers were...
post #5 of 14 (permalink) Old 01-31-2007, 08:06 AM
DBeasst
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What about your load leveler pump? Is it running a lot? Leak in your shocks and/or air lines will cause the pump to run more than it should. Might be pulling your battery down.
post #6 of 14 (permalink) Old 01-31-2007, 03:49 PM
LT1Caddy
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How much of a draw is a little draw? .....I haven't had the chance to check the draw with a meter when it's happened
load leveler pump....removed, replaced the air shocks with Severe duty shocks.............

Thanks for the ideas....
post #7 of 14 (permalink) Old 01-31-2007, 05:36 PM
96ermic
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I have had a very similar problem with the DTS and it ended up being the starter. I could go days with no problems, then got more and more frequent. It had all the simptons of a dead battery, but then after trying several times or sitting for a few moments, it would turn over.
post #8 of 14 (permalink) Old 02-01-2007, 08:06 AM
96 Black
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Had an intermittant 'drainer' for about a year on a Corvair. Seemed to be worse the colder it got. Left wife stranded several 0 to -10 mornings getting off work.

You know those aircooled rigs basically used a HD dryer hose for pass. comp. heat. It turns out a mech. finally found a spiral wire there had frayed to the batt. term. on the starter, (absolutely perfectly 100% not visible from below) and it touched more with cold weather. It had to travel all the way up the spiral to the hoseclamp and the plenum shroud.


Short point being it's either something obvious as posted by others above, or, a gremlin from hell that makes you want to get the 24-hour cooling off period over with at the gunshop so's you can shoot the mf'er to death right NOW!

Quote:
Originally posted by LT1Caddy:
I've checked, tightened all the connections, nothing loose. . . .
Sorry, doesn't count. Buy dielectric grease, buy a good wire brush. Completely disconnect each end of each wire in the starting circuit under the hood. If you're lucky, something will jump out at you. Hint: They sell just that replacement funny sidepost bolt.

Did you do ANY mods recently? Not just electrical either. You need to give us the mA drain readings.
post #9 of 14 (permalink) Old 02-02-2007, 07:11 PM
N0DIH
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Trunk lights are often culprits if the car is on any incline. Or if the holder is bent it can do it.

Is the RAP turning off? Retained Accessory Power might be sticking on...
post #10 of 14 (permalink) Old 02-02-2007, 09:59 PM
LT1Caddy
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Hi....I'm getting it narrowed down. I had a problem today with it and I'm thinking the negative battery cable is corroded inside the casing !!!??

How does that happen????????

I'll keep everyone posted

Thx for all the advice
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