Question about 2008 Chevrolet Express

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2008 chevy express 3500 6.0 fuel pump no power was driving it and it just quit replaced pump still nothing just cranks over

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Engine cranking, did you check for spark at the plugs, also, check fuel injector pulse. Any applicable trouble codes?
When you first turn on the key, no crank, can you hear the pump run for a couple seconds?
If only a fuel issue, jump the relay to see if pump will run. Unplug relay, use jumper wire between terminals 30 and 87, the pump should run, don't need to use your key. As you can see, terminal 30 is hot all the time. Also, check that fuse.
Let us know what you find?

2008 chevy express 3500 6.0 fuel pump no power was - express fuel pump relay-whhyjzqjjp5evwrxcrtcuanz-2-0.jpg

Posted on Feb 25, 2017

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Posted on Jan 02, 2017

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