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Re: Fuel level sensor ground crossed with fuel pump...
I think the ground wire going to the gauge is black/white stripe and solid black is pump ground the bigger gauge wires r pump wires and the smaller gauge wires go to the fuel guage
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How many wire's or the connector ? One connector at the fuel tank connection . 4 wire's - two for the fuel pump - gray is battery power an black is ground for the fuel pump . Two more wire's - fuel level sending unit . purple & orange with black trace . One more connector - this is for the fuel tank pressure sensor , has three wire's , this one has nothing to do with the fuel pump . This is for emission testing only
Should be four ! 1 gray B+ power supply , 2 PPL - purple fuel level signal wire to the PCM - engine computer , 3 Black - ground for fuel pump motor . 4 Black with white trace - ground for fuel level sensor !
? 3:10
https://www.youtube.com/watch?v=FffdzqknP3k
Apr 20, 2012 - Uploaded by Airtex Pumps
This video is about how to install a new Airtex fuel pump module into some GM ... fuel pump and gas tank to a 98 internal fuel pump and gas tank on my truck 88 gmc. the wires are a little different. .... Check the power & ground at the pump. ... CHEVY SILVERADO FUEL PUMP CHANGE OUT.2500HD 2001.
? 13:54
https://www.youtube.com/watch?v=Q3ZiTsKCdO8
Feb 3, 2012 - Uploaded by ScannerDanner
2001 GMC 3500 8.1L engine with no fuel pressure. In this video I am showing how to test the fuel pump electrical circuit using atest light and scan tool. ... seconds on the ground wire. when i unplug the harness from the the fuel pump .... need help newfuel pump chevy venture 2004 runs for a few days then ...
Just did my fuel pump on the 2001 isuzu rodeo. Well here is what you need to do about the different wire colors. First disconnect your negative battery. Drop the fuel tank and replace pump. Remember to have a splice kit in hand. Ok now here is how you connect the different colored wires. Black goes with black. Gray goes with black and orange wire. Purple goes wit blue and yellow. And the last wires goes together. I hope this helps.
Guages rarely go bad. the level switch goes out all the time. all makes all models. To check you can pull the plug by the tank, there will be 3 or 4 wires. I don't know what the color cdes are, but put a jump wire between the black (ground) and the other colored wires. ( this wont hurt anything) One is for the pump the other is for the level switch. When you ground the level switch is will jump to full. This tells you that the switch is bad. You can't buy the switch by itself, it comes as a unit with the fuel pump. Costly.
Grey is the power to the fuel pump.
Purple is the power to the fuel level sensor.
One black wire should go to the frame (fuel pump ground).
The other black wire should go to a connector and back to the fuel guage.
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