For 2 weeks I've been searching for a electrical gremlin thats got me stumped. The car willl be fine, then all the sudden the next time I start it the battery will be totally wasted.
The first time it happened it was very cold out (below zero). I stopped at Menards & came back out and no juice, not even enough to turn it over once. Nothing was odd before this. With the key on the gauge would struggle to reach 8volts. I snagged a new battery and drove it home with no trouble. I checked the alternator & it was putting out 13.5volts at idle, but seemed to drop & not recover too quickly as accessories were turned on, so I got a new alternator. Thought I had it fixed but...Three days later, I go out in the morning to start it & no juice again.
It has to be a battery drain but where could it be? I've gone through the fusebox & everything that should not be hot when its off is fine. I freely admit I suck at chasing electrical gremlins
This might be a red herring, but..The windshield leaks bad when it rains. That combined with it being winter means the front carpet is all wet & soggy. While I was fishing through the fusebox I noticed I can use the wet carpet as a ground
Do you think theres a chance the carpet is so water logged that theres a hot wire underneath there somewhere causing a short/battery drain?? Possibly some seat wiring or something??
Shes old & crusty, but with 255K on it still runs like a Caddy!