What size replacement battery do I need?

Asked by donalicious Mar 22, 2020 at 01:46 PM about the 1989 Cadillac DeVille Coupe FWD

Question type: Maintenance & Repair

Please provide Type and Size of Battery needed to easily run a 1989 Cadillac Coupe DeVille.  The one I recently purchased will not hold a charge.  Thank you

2 Answers

F_O_R answered 4 years ago

If your new battery goes dead you probably have a parasitic battery drain that you need to find and fix.

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James answered 4 years ago

You need a group size 78 battery. If you don't drive the vehicle often, disconnect the negative battery cable when you park it. This will prevent the battery from going dead while the vehicle is sitting. Since you recently bought the battery it could be defective. Take it back and exchange it. Hope that helps! Jim

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