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Mar 14, 2012 - Uploaded by ScannerDanner
1999 Chevy Suburban with no fuel pressure. The following is covered in this video: 1. How to test a fuel pump relay in a power distribution box.
fuel pump relay located under hood in the fuse and relay box.look on other side of cover of the fuse and relay cover it will show fuel pump fuse and relay location.
The fuel pump relay in my blazer is located in the rear of the glove box which means you have to clean out all of the maps and other junk to get to it. There is a plastic cover that has to be removed to expose the relay which is the right side of the two present.
You can tell if it is operating when you turn the ignition key to "ON", the relay will click and you should hear a humming sound as the fuel pump energizes.
The Fuel Pump Relay is located in the Glove Box under a little cover on the upper left side. The Fuel Control Relay is the left relay and The Fuel Pump Relay is the right. To test these relays, swap them and then try to start the vehicle, or blow the horn. If the horn blows then use that relay for the pump and you may at least drive the vehicle where needed! If the vehicle starts, then replace them as a pair.
The fuel pump relay should be under the hood on the firewall, square with a 3 in it. Hope you can read it?
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