Question about 2001 GMC Jimmy

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WIRING HARNESS FOR 2001 GMC JIMMY

I WILL BE INSTALLING A WIRE HARNESS FOR TOWING AND NEED SPECIFIC INSTRUCTIONS ON HOW TO PROPERLY WIRE THIS HARNESS

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Unfortuantely, there is not a plug in wiring harness for this vehicle. You will have to splice in a 4-Flat Plug. No converter box is needed since it's a standard 2-wire system. You can view this part if you click here.

White - Ground
Yellow - Left Turn
Green - Right Turn
Brown - Running Lights

Now, this is only to wire you to a 4-flat. If you need a bigger plug like a 6-way or 7-way, there are adapters. You can view these if you click here.

If you are going to install a brake controller also, you will need another wiring kit that includes a circuit breaker and wire. You can view this here.

Hope this helps!

Posted on Nov 12, 2008

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You should have a wiring harness already there. There will be a plug with 3 female and one male connection. White is ground, Green is right turn, Yellow is left turn and Brown is tail lights. If you are installing a brake controller. You will have to run a 10 or 12 gauge blue color wire.

Posted on Jul 05, 2008

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It's a single wire terminal with plastic connect sensor from the engine block.


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1) provide oil pressure reading

2) disable the fuel pump relay in event of oil pressure loss.

===

When this switch is failing to provide the correct pressure to the ECU. The wiring harness can overheat and eventually create a short.

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===

DO NOT drive the truck until you change the oil pressure switch.

After you change the switch,you should spend sometime to inspect the wiring between the fuel pump relay,ECU and fuel pump.


Please post up day on the comment window/page.

I will follow up on it later.


Good luck.

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