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Re: 1998 Silverado-problem with fuel pump?
In the "underhood fuse block" there are the "ECM B" Fuse (20a) and the "Fuel Pump Relay". Check or replace those 1st. Make sure you disconnect the NEG batt cable 1st as the fuse has power to it at all times. If those don't help, check wiring, otherwise you'll probably have to replace the pump.
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