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2G Tucked wire harness now no spark no fuel

Posted by Arkansaw, Jul 4, 2019

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  1. Arkansaw

    Arkansaw Probationary Member

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    Joined Jun 24, 2012
    Olathe, Kansas
    I have a 95 awd that I paid someone to tuck my harness for (because I suck at electrical things). Short version, car ran before removing harness but was stuck at an afr of like 10.5 and wouldnt change off it no matter what I did. Sent off the harness thinking it was something I did previous when I cut wires for my abs while trying to clean up my bay during an engine replacement. Got the harness back and now I have no fuel and no spark. Tried 2 different MPI's for testing and 3 different PTU's for testing. Fuel pump will not turn on with the always on function in dsm link. I have verified pins 4 and 8 on my mpi do have voltage going through them, have verified the engine fuse in my relocated fuse block is good. The car has been down for 4 years and since, I have really fell out of the car game and am very rusty. Though I am talking to the person who did the tuck for solutions, he is currently at a loss now as well. Im not questioning if he wired it correctly, as it was very professionally done, I feel that I'm missing something on my end. Does anyone have any other suggestions more than what I have already tried? Im going to try to snag my friends computer just to make sure its not that, but it does connect to link
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  2. ThunderChild

    ThunderChild Supporting VIP

    2,437
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    Joined Jan 5, 2012
    Rathdrum, Idaho
    Bust out the DVOM, the diagrams and start testing circuits.
    Tough to say with the limited info, might be a bad CAS or the wiring :idontknow:
     

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  3. Vegas smith

    Vegas smith Proven Member

    2,530
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    Houston, Texas
    Ouch, this sounds like a nightmare to diagnose.
     

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  4. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    Joined Nov 14, 2013
    Independence, Kansas
    I think I would start at the CAS and crank triggers and work away from that, as far as testing the circuits.
     

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    Simonsaysr1 likes this.

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