1990 Cadillac deville battery install

Asked by GuruDWYRK5 Apr 26, 2024 at 05:03 PM about the 1990 Cadillac DeVille Sedan FWD

Question type: General

There are two grounds to this battery, they go to each side, positive and neg. or
to they go to one side?

4 Answers
310,605

Gene answered 7 months ago

If they are grounds then they go on the ground side of the battery. Never hook a ground to a positive power, unless you want to test your local fire department’s response time. Then hope your insurance covers it.

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157,885

James answered 7 months ago

If they're both grounds they both go to the negative side of the battery. But check and see where the cables actually go! GMs of this period had a positive cable going directly to the computer. If both of the "extra" wires end up bolting to the engine and/or the body of the vehicle, they're grounds. They also had a cable going to the underhood fuse box on some models. Jim

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157,885

James answered 7 months ago

The cable going to the underhood fuse box is a positive cable. So make sure you know where these go! Jim

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