SOURCE: FUEL PUMP REPAIR
the fuel pump is located inside the gas tank, the gas tank is held in place by 2 steel straps, fule lines, wiring and the filler nect must be disconnected as well, also u MUST replace the fuel filter and the the fuel pump connector at the tank connector, this is the part number for the fuel pump connector.VERY IMPORTANT!
AIRTEX Part # WH3008 {Wiring Harness}
PRICE $10.61, SOURCE www.rockauto.com
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SOURCE: have a 1995 gmc yukon 2dr i have change the fuel
On a NO Power to FUEL Pump Problem One Must ALWAYS Start from the Begining of the THAT CURCIUT, This Being the Fuse , Then The FUEL PUMP Relay , And Then WIRING , and LAST Is The PUMP Itself. Here is Info on the RELAY. rejakwilsoin @ aol.com < is my Email Address if you want More info Feel free to Contact me.
The Fuel Pump Relay is located in Underhood Fuse Relay Center. The Underhood Fuse Relay Center is located on the LH rear of engine compartment, on fender.
REMOVE OR DISCONNECT
INSTALL OR CONNECT
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SOURCE: 1995 gmc yukon i have change the fuel assmbliy
you can manually actuate the relay if you want. Take the cover off, and push the contact over with a screwdriver and see if you can hear the pump. Have you checked to see if there's power to the relay, both the control side and the side providing power to the pump? There's two different circuits involved here, so you have to make sure they're both ok. If you have power before the relay, and power coming out of the relay headed to to pump, then your problem falls between the relay and the pump. Other things to consider, are the fuel pressure sensor, and oil pressure sensor. Some vehicles will not turn the pump on if they sense no oil pressure after a couple of seconds. Secondly, if the fuel pressure sensor is telling the pump that there's plenty of pressure, (even if there's not) it'll shut the pump down. Hope this helps you.
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