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Old 11-24-2009, 09:32 PM   #11
bighaas79
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Join Date: Nov 2008
Location: manly iowa
Posts: 390
Re: 2002 Yukon no power to fuel pump

Unless I missed it I didn't see that you checked to see if you had power at the correct terminals in the fuse block for the fuel pump relay. It clicks is not a good enuf test. That means the control circuit might be working properly but doesn't mean the power circuit is live or the relay is making contact inside. Try jumping the relay terminal in the fuse block for the fuel pump power feed to the fuel pump with a jumper to the positive bat terrminal. Then check to see if you are getting power to the pump. If you are it is a problem in the power feed to the relay if you aren't then you have an open or short to ground in the harness between the relay and the pump. Check fuses too, don't make it harder than it needs to be.

Last edited by bighaas79; 11-24-2009 at 09:36 PM.
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