Results 1 to 7 of 7

Thread: GM E-39 capable stand alone engine harness

  1. #1
    Potential Tuner
    Join Date
    Jan 2024
    Posts
    5

    GM E-39 capable stand alone engine harness

    Does anyone know of a company that makes a stand alone engine harness for the GM 3.6 DI engine and connects to the E-39 ECU.

    Thanks
    Mike

  2. #2
    Senior Tuner TheMechanic's Avatar
    Join Date
    Jan 2014
    Location
    SoCal
    Posts
    1,562
    Give these guys a call.
    https://bp-automotive.com/contact/

  3. #3
    Potential Tuner
    Join Date
    Jan 2024
    Posts
    5
    Thanks for the info

  4. #4
    Tuner in Training
    Join Date
    Jul 2021
    Posts
    12
    I'm using this one: https://exomotive.com/store/exocet-l...iring-harness/

    ...but if I was to do it again I would have just saved the $1100 and modified my donor harness.

  5. #5
    Potential Tuner
    Join Date
    Jan 2024
    Posts
    5
    Quote Originally Posted by fixbroke View Post
    I'm using this one: https://exomotive.com/store/exocet-l...iring-harness/

    ...but if I was to do it again I would have just saved the $1100 and modified my donor harness.
    Did you have any problems with the exomotive harness? Do you know of someone that can modify the factory harness?

  6. #6
    Tuner in Training
    Join Date
    Jul 2021
    Posts
    12
    It's actually a V8 Roadsters part, but it looks like they don't list it on their site any more. They might still offer it if you contact them, however.

    I found that some of the wire lengths were a tiny bit short as compared to my factory harness, necessitating some minor routing changes, but no big deal. The odd thing is that it's just a modified OEM harness so I'm not sure why the lengths would be off.

    I don't know exactly what would be needed for the modification, but I'm sure that if you had a little bit of know-how and a wiring diagram then it wouldn't be too hard. The V8R harness included a small fuse and relay box, but it's otherwise just a factory harness.

  7. #7
    I can make them, I've done three so far for the E39.