SOURCE: Cabin filter for a GMC Yukon XL 05
They no longer used a cabin filter after about 2003. The cover is there buth it is molded shut with plastic welds.
SOURCE: 2003 GMC Yukon - fuel pump
Check your ECM fuse. There should be 2 fuses for your ECM. It's the ECM that controls the function of the fuel pump. Good luck friend and it's also common for the wire harness from the frame to the fuel pump to go bad due to corrosion from the bad weather we get in the winter and rainy spring and fall.
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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SOURCE: how to change the third brake light on 05 gmc
The individual LED lights are not replaceable. You will have to replace whole lense assy. Remove two screws, then unplug wiring connector. These are expensive from dealer. Shop around for a better deal. Auto stores, online sellers, and even eBay sells them.
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Hi William Schohn, I want to help you with your question, but I need more information from you. Can you please add details in the comment box? What would you like to know about the return line. It actually returns fuel from the fuel pressure regulator which is attached to the fuel rail where you will find the injectors and returns it to the fuel tank.
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