ECM-I fuse

Asked by Lost185 Jan 22, 2018 at 03:29 PM about the 1999 GMC Yukon SLE 4WD

Question type: Maintenance & Repair

I just changed my fuel pump on my 99gmc yukon
1500. My ECM-I fuse keeps blowing at key turn.
And I still cannot get truck to start. Any ideas?

2 Answers
34,280

charles answered 6 years ago

need to find the shorted wire that keeps blowing the fuse.get a schematic and trace that circuit.

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10

2000GMCowner answered 6 years ago

Did you change the Harness plug on the fuel pump inside the tank gmc had a problem with that so had to replace all those harness plugs they would melt and that would keep bl;owing the ecm fuse

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