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Thread: Blue Wire exiting ECU compartment to Engine Bay

  1. #1
    Member DKDMC's Avatar
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    Blue Wire exiting ECU compartment to Engine Bay

    My idle is rough and rpm is a little inconsistent. Could this gnawed wire contribute to that? I'm going to fix it tonight but curious as to exactly what the wire connects. Thanks for the help!


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  2. #2
    '82 T3 FABombjoy's Avatar
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    That's the distributor pickup wire used by the ignition ECU to trigger spark. That could certainly have an adverse affect on running
    Luke S :: 10270 :: 82 Grey 5-Speed :: Single Watercooled T3 .60/.48 :: Borla Exhaust :: MSD Ignition :: MS3X Fully SFI Odd-fire EFI :: DevilsOwn Methanol Injection

  3. #3
    Member DKDMC's Avatar
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    Quote Originally Posted by FABombjoy View Post
    That's the distributor pickup wire used by the ignition ECU to trigger spark. That could certainly have an adverse affect on running
    Awesome. Thank You. Im looking forward to seeing the difference after repairing it!

  4. #4
    Senior Member
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    I could be mistaken, but if my memory serves correct that wire is actually coaxial. I would not recommend trying to repair it. Dave from dmcmw sold me a good original when I had a damaged one

  5. #5
    '82 T3 FABombjoy's Avatar
    Join Date:  May 2011

    Location:  Lansing, MI

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    My VIN:    10270

    Yes, it has a shield (or screen) that is tied to ground to help reject inductive noise. If the splice preserves the shielding and is waterproofed it should be fine.
    Luke S :: 10270 :: 82 Grey 5-Speed :: Single Watercooled T3 .60/.48 :: Borla Exhaust :: MSD Ignition :: MS3X Fully SFI Odd-fire EFI :: DevilsOwn Methanol Injection

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