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Chevy Suburban

How do you check the fuel pump relay?

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Wiki User
2015-07-15 21:15:00
2015-07-15 21:15:00

swap it with another relay.

Correct answer is to check the engines ECU.

Swapping relays is the easiest way to check. I'm not sure what is meant by "the correct way" as stated above. A DVOM is used to check the resistance, such as recommended on a Mitsubishi; Same with FORD that states it should be between 40 and 120 Ohms bteween partular pins and over 10,000 on others. GMs can be commanded with a scan tool to run, but isn't an effective way to check it. They recommend a jumper and test light procedure. Therfore, " the correct way" depends on what you have, and you would need to BClear.

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