Under the hood in the fuse block.The cover should tell you where it is located.hope this helps.Good luck.
Under hood in plastic box on passanger side firewall. It probably screwed in with plastic screws. It should say Fuel Pump Relay.
SOURCE: fuel pump relay location 1990 chevy subburn
One of the easiest ways is to listen for pump to cycle in tank "HUM" when someone cycles key to on. If you hear "Hum" pump is getting power. The other would be to swap it out with another in that area, with same # on it. Under hood, passenger side, on firewall usually. Should be at least one more relay there with same #. There are so many ways that manufacturers recommend for different vehicles, this is usually the easiest. If I can't test for power in & out of relay when key on, I'll go direct to tank sender & check for power there to be sure.
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it is at the rear behind intake manifold approx center of block on top.
SOURCE: what causes 350 on a chevy c1500 1996 to start
Sounds like a poor idle. try adjusting the idle screw.
SOURCE: Fuel pump constantly runs
sounds like you haven't got the right relay or the replacement has failed. pull one relay at a time and go back to the rear of the vehicle and listen for the pump. make sure the key is on when you do the test.
SOURCE: where is the fuel pump relay located in a 1997 chevy blazer 4-dr.
In the glove box behind a plastic panel. There are 3 relays in there. The fuel pump is the one closest to the drivers side.
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