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International Automotive Technicians Network
Re: service book for powerstrokes
Posted to HD/Fleet Forum on 6/22/2004

The chassis mounted fuel pump relay is in the relay box behind the dash, under the radio.

Remove the panel that looks like a hook, under the cupholder/ashtray (it has 2 small screws facing you) and look inside to the left. You'll see a blue relay (that's the... Login to read more.