Battery draining down

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Old Apr 15, 2011 | 08:53 AM
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Default Battery draining down

I got some good info from this site regarding a battery draining down but after going through those checks I cannot find the issue. I put the test light between the neg cable and post and sure enough the light lit up. I then started pulling fuses one at a time to find the offending circuit. The light never changed after all the fuses had been pulled. I hear no mechanical click like a stuck relay or seatbelt sensor. Alternator charges. Where else can I look?

The car has a ZC DOHC 1.6 conversion that was done a few years ago.

Thanks,
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Old Apr 15, 2011 | 11:47 AM
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Default Re: Battery draining down

Not sure this is the case. But any time we have a car that has a draw on it. We check aftermarket cd players. Lot of times you find a nice hack job for splicing the stereo in and keeping a constant power wire hooked up. Just a suggestion. Hope it helps.
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Old Apr 15, 2011 | 12:26 PM
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Default Re: Battery draining down

The car does have an aftermarket stereo in it. I'll check tonight. Thanks!
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Old Apr 18, 2011 | 08:49 AM
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Default Re: Battery draining down

Just to update, the stereo checked out fine. What did fail was the alternator. I was drawing 3.5amps on the multimeter when I removed the alternator wire in the under hood fuse box and and it dropped to .39. I believe we found a winner! After working for several hours to get the alternator out (Dropping the driver side motor mount, lowering the steering rack subframe and taking the lower shock mount loose ) Anyway, I got it tested and it had bad bearings for one and a bad diode. Rebuild is underway. Now what was the order in which all this stuff came out?

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Old Apr 18, 2011 | 08:56 AM
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Default Re: Battery draining down

Does anyone know what the acceptable draw is for the seat belt tensioner system?

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