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Thread: 3800 SCII wiring diagram

  1. #1
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    3800 SCII wiring diagram

    I have just purchesed a 1997 3800 super charged engine and I am looking for a wiring diagrahm for the installation into a 1987 fiero GT. When I bought the engine I also recieved the wiring harnes, computer (ECM) and the cat. converter. So far I have only been able to find one place that will sell the wiring diagrahm for $250.00 (ouch!!). All of the wires going to the engine are still in place, it is all of the wires that connect to the fiero that I am looking for.

  2. #2
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    Re: 3800 SCII wiring diagram

    I forgot to mention that I will be bolting the engine to the fiero getrag 5 speed.

  3. #3

    Re: 3800 SCII wiring diagram

    The Fiero wiring parts are on my website http://www.FieroAddiction.com . I have the '97 3800 diagrams but they need to be scanned. Give me a few days.

  4. #4
    Moderator FunnyWheels's Avatar
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    Re: 3800 SCII wiring diagram

    Rockcrawl:

    Do you happen to make up wiring harnesses?
    If you're not confused, you're not paying attention.

  5. #5
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    Re: 3800 SCII wiring diagram

    Thanks Rockcrawl for the web site link and I look foward to the diagrams also!

  6. #6

    Re: 3800 SCII wiring diagram

    Do you happen to make up wiring harnesses?
    If it involves Fieros, I do it.

  7. #7
    Moderator FunnyWheels's Avatar
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    Re: 3800 SCII wiring diagram

    I would be willing to send you what I have (99 Buick ECU, 99 Buick wiring harness, Fiero wiring harness) and have you make something I can plug and play into my car. I want to locate my ECU in the engine compartment if that is not a problem. It will be away from the heat and in a protective compartment in the area where the drivers side Fiero trunk would normally be placed. I will e-mail you for a price and time frame. I have a normally aspirated 3800 with a Getrag 5 Speed and VDO instruments.
    If you're not confused, you're not paying attention.

  8. #8
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    Re: 3800 SCII wiring diagram

    I might be interested in having my wirering harness assembled also depending on how much. I don't know if it makes a difference or not but i have a 1997 3800 super charged out of a grand prix and I am also bolting it to a getrag 5-speed. let me know how much to convert my wiring harnesses.

  9. #9

    Re: 3800 SCII wiring diagram

    This is an ancinet post, did you ever get you harness wired up?

  10. #10
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    Re: 3800 SCII wiring diagram

    Dave, contact John Watson concerning our experiences with Rockcrawl.

    Lloyd may be a lot more reliable.

    Jon simply doesnt answer his phone nor follow through.

    He owes me a windsheild and a pair of seats that he agreed to but has not made good on.


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