Submitted by bsheridan@rest… on Fri, 06/07/2013 - 04:06

I had a right rear window motor removed, rebuilt and replaced. Within 3 days, my battery ran down. I took my car back to the repair shop and they said that it was unrelated to their repair to the rear window motor. It could have been a cooincidence I suppose. Since that time I have installed a new battery and then at the suggestion of another repair shop, I installed a new alternator - neither one solved the problem. Another repair shop recommended disconnecting one fuse at a time then waiting to see if the battery drainage is occuring on the circuit. Problem is, there are four fuse boxes and several inline fuses - a "lot" of fuses in total! It could take "weeks". Does anyone have a suggestion on the best way to track down "what" is slowly draining the battery over a 2 day period? Are their any particular electrical circuits and/or fuses I could check first? When the key is off something is staying on or is somehow leaking electricity - anyone have a solution other that disconnecting the battery every night? Thanks in advance, Bob

Submitted by bob5837@roadru… on Sat, 06/08/2013 - 11:49

Thanks Dick,
I don't believe my 1989 XJS V12 convertable has any "seat belt mice" - it uses plain old fashion manual seat belts that pull over the shoulder and snap in.

Is a seat belt mouse similar to a snipe? My dad took my brother and me snipe hunting at the age of 8, those little buggars are hard to catch.

Just kidding.

Submitted by coventryclassi… on Fri, 06/07/2013 - 13:55

Robert, remove the neg battery cable and attach a 12V test light between the cable end and the terminal. If the light lights, you have a draw. Simply remove fuses until the light goes out. Remember , you have dome light switches in doors & boot lid, so make sure the switches are closed when checking.
Cheers Tom

Submitted by BillCorn4895@c… on Fri, 06/07/2013 - 11:27

Removing the fuses or circuit breakers is not a bad idea. If you have a repair manual, I would start with the circuit for the windows. It is very suspicious that this started after the motor was replaced. This circuit is not supposed to be active when the ignition is off, but there could have been something shorted out somewhere when they were removing the trim panel and storage bin to access the window motor. There are a lot of wires and circuit breakers around the top motor that could have been damaged. Also, the main harness from the trunk runs through that quarter panel. Hopefully they didn't damage that. Good Luck!