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Where can I find the 1999 Cadillac Deville fuel pump relay location?

This weekend, I’ll be helping my brother with his car. He thinks he needs a new fuel pump relay. I’ve done this before, but never on a Cadillac. Where is the fuel pump relay?

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Mary Alice Morris · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Since you’ve done this easy fix before, helping with your brother’s car should be a breeze! The 1999 Cadillac Deville fuel pump relay is inside the under-hood fuse box that’s next to the engine. When you open the box up, you should see a diagram that labels each relay and it will indicate where the fuel pump relay is.
Finding the fuel pump relay in a Deville is easy enough for even inexperienced tinkerers to locate it quickly!
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