Electrical Drain - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-16-2004, 11:49 PM   #1
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Default Electrical Drain

Overnight my battery runs low, too low to start my car the next morning, unless I start the car in the middle of the night to recharge the battery.

Q. Is there any device I can use, or anywhere I can take the car to have it diagnosed to find out "exactly" what is draining my battery?

The same thing happens if I listen to the radio (have an amp) without the car running.

I have an 1989 Buick LeSabre T-Type which I installed the L67 & 4T65-E from a 1997 SSEi. However, I had this problem prior to the engine swap.

I checked fuses, and none were blown, there are no coins under the seats shorting the electical seats out, or anything like that.

Any suggestions are appreciated.

Thanks in advance,

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Old 01-17-2004, 12:22 AM   #2
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