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Thread: Help LSX Fan issue !!!

  1. #1
    Potential Tuner
    Join Date
    Mar 2019
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    1

    Help LSX Fan issue !!!

    I recently completed a gen3 swap into 83 c10. Engine and ecm are out of 2000 1500 .I have a single fan set up. I have relay wired to pin 42 per lt1 amazing website. It turns on when it should .The problem im having is the ground signal from ecm is a pulsating ground instead of a constant,causing the relay to click on and off every other second. I've played around with the settings in fans on tuner, no luck. I was hoping someone here had advice ? ty

  2. #2
    Potential Tuner LT1coupe's Avatar
    Join Date
    Nov 2018
    Posts
    8
    I just had the same issue, I replace the pcm. Probem solved
    2001 S10 Xtended cab LQ9, Elgin 1839P cam, T56, Camaro brakes, 8.8 axle, 3.73 gears

  3. #3
    Potential Tuner
    Join Date
    Apr 2019
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    1
    I had the same situation one fan 2 speeds, this is how I fixed, first ata all the low speed or fan 1 was wired to Pin 42 C1 Blue Connector and high speed or fan 2 to Pin 33 C2 Blue connector, the set up for HP tunners is as showed in pictures attached.
    01.jpg
    02.jpg