Question about 1995 Chevrolet Silverado 2500
I am getting no power to the aux. fuel pump. Replaced relay and still no power. Relay will not activate. Need diagram to trouble shoot further.
The primary (coils) side of the fuel pump relay is powered by the CRANK fuse (10 Amp) located in the instrument panel fuse block. This fuse is hot ONLY when the ignition switch is in the CRANK position. The secondary (contact) side of the relay is powered by the ECM-B fuse (20 Amp) which is hot at all times. This fuse is located in the engine compartment fuse block. The electric fuel pump in the tank only operates during engine cranking.
Posted on Feb 20, 2012
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Posted on Jan 02, 2017
thats the fuel drain for purging air out of the system after the supply side has been serviced. Don't mess with it, they like to break. Trust me on this!!!
Posted on Nov 24, 2009
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