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oil pressure

This is a discussion on oil pressure within the Internal Engine forums, part of the LSx Technical Help Section category; On my 04 GTO, how do I eliminate my factory oil pressure switch... can I just hook the wires together ...

  1. #1
    cutting and welding mark21742's Avatar
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    hugger orange
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    oil pressure

    On my 04 GTO, how do I eliminate my factory oil pressure switch... can I just hook the wires together to make it think its getting a good pressure reading?


    The reason I ask is because i had a small engine compartment fire and doing a bunch of rewiring where everything burnt. I have an aftermarket gauge so I would just need to make the car think its pressure switch is hooked up keep keep it from setting off the buzzer and display warning.

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    Member TA98's Avatar
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    it probably either needs the wires looped or not connected at all.

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    cutting and welding mark21742's Avatar
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    Quote Originally Posted by T/A98 View Post
    it probably either needs the wires looped or not connected at all.
    That's the only problem. It's a 3 wire switch

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    None Shall Pass Knight's Avatar
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    Not sure on the switch setup as to the wiring, but iirc it is has a common wire - supplying power, a normally open switch - which closes with pressure and allows the motor to run, and a normally closed switch - which opens when the pressure drops. I'm not sure how the computer interprets the signals - it may look for the switch to be open before allowing the engine to fire, and bypassing may not work.
    I would check to see if one side of the switch is open/closed, and then wire accordingly.

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