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Thread: once again, wiring problems

  1. #1
    Electronic Ignition!
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    once again, wiring problems

    i need a pinout schematic of the c200 connector for a 1993 gmc k1500, tbi 350, behind the glove box. Have googled it for days but nothing I can put together. Its a 15 pin connector thats clear plastic on one side and plugs into a separate 8 pin black and a separate 7 pin black connector. Please help, I really need to finish this project

  2. #2
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    normally, alldata provides these diagrams, but i can't seem to pull any C200 for 92, 93 or 94 K1500s. 95 shows up but the connector is WAY different than what you describe.

    any idea on what runs through the connector?
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  3. #3
    Electronic Ignition!
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    Im pretty sure 5 or 6 pins run to the ALDL connector, I think tach wire runs through and not sure what else. 7 wires come from the ECM( 1 of the 7 wires is purple and connects to a gray box with 3 more purple wires coming out of it, one of the 3 purple wires goes into E13 ecm pin, no idea what anything else is)

  4. #4
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    which transmission? i'm getting some results, but they're trans specific.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  5. #5
    Electronic Ignition!
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    4l60e

  6. #6
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    best to look at these in set, so i'll upload them as such. i've found everything but circuits 91 and 481.

    http://imgur.com/FPp7yWb,WLRWL74
    http://imgur.com/9qAfYoI,b4OEkRx
    http://imgur.com/Fsc1aF4,BEZXI9G
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  7. #7
    Electronic Ignition!
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    Thank you, I will look at them as soon as I get back home.

  8. #8
    Super Moderator Six_Shooter's Avatar
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    That connector will have ignition, ALDL, CEL, speedo and possibly a couple other wires.

    Tach will be through the driver side bulkhead from under the hood.
    The man who says something is impossible, is usually interrupted by the man doing it.

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