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LS6 related, Mystery Line

This is a discussion on LS6 related, Mystery Line within the General Help forums, part of the LSx Technical Help Section category; I was installing a LS6 on my car and in the process I broke an electrical harness on a line ...

  1. #1
    Member Jon7I2's Avatar
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    LS6 related, Mystery Line

    I was installing a LS6 on my car and in the process I broke an electrical harness on a line behind the manifold. The line had a number on it (0926). I was wondering what this line is/ or what it does? I spliced the wires into a new harness of the same type and reconnected it. I finished the job, went to start the car and everything seemed to be fine except the oil pressure gauge. The gauge was at its maximum position on the far right. Is this line I broke related to this in some way? I scanned the computer and got no codes except the expected EGR 1's from having it removed. Any ideas/ suggestions would be greatly appreciated, thanks.

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    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    Oil pressure sender unit is on the back side their, perhaps you broke it as you broke that line at the same time? Not sure though, I think the stock sender is behind the intake manifold in that area. Some of the other guys will chime in and give you a better idea.
    1999 T/A WS6 Black -------SOLD
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    Not sure what you mean by "electrical harness" - sounds like the connector that plugs into top of the oil pressure sending unit behind the intake, drivers side? Don't know how you'd break that. Lots of people damage the sending unit itself doing intakes. Make sure the connector to the sensor is fully plugged in too, that'll make the gauge peg. If you rewired the connector on the "car side" make sure you wired it correctly.

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    Member Jon7I2's Avatar
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    Thanks for ur help, and it was the sender unit. I did break the wire but i fixed it sufficently, the problem is just with the sender unit as previously stated. I'm glad that i pinpointed the issue.

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    Veteran 0rion's Avatar
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    welcome to the club

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