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  1. #1

    Default JUST HAPPEND 10 min ago

    GMC SUBURBAN K-2500, 1996 - 5.7 Vortec.

    Here we go...........sitting on a parkinglot waiting for my lovley wife......engine idling nice........

    all of the sudden , motor just stops running...........?! @##$%^@ i think and go check everything.

    OK,,i thought its the fuelpump relay.....NO,,,,,,,pump works.......now i go and check the coil, pulled the coil wire off and cranked the engine .........NO spark !!!!!!!!

    So, here is my question !!!!

    If i replace the coil in the morning, will i be able to drive the truck back home ???????

    Or could it be something else ??? Maybe a power source feeding the coil or so ???

    I did check all the fuses aswell and they are ok .



  2. #2
    Legend unplugged's Avatar
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    Default

    The coil is triggered by the control module. Check for loose wires between the coil and distributor. Pull the distributor cap and look for red dust. The red dust causes arcing inside the distributor and can cause premature failure of the control module. Some parts stores can test the coil and module.
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  3. #3

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    THANKS,,,i am going to just get both and then it should work !!!!!!!!

  4. #4

    Default

    Could also be the coil wire itself, speaking from experience. 1997 Suburban 350, just driving along and motor quit, turned out to be coil wire.
    Adam


  5. #5

    Default

    OK........ here is the thing, changed coil,coil module,cap,rotor,distr. module....and still NO spark ???????

    So i guess after i changed the hard parts,,,now i will try the simple coil wire .LOL

    Lets see if thats it ?

  6. #6

    Default

    Quote Originally Posted by DAREDEVIL View Post
    OK........ here is the thing, changed coil,coil module,cap,rotor,distr. module....and still NO spark ???????

    So i guess after i changed the hard parts,,,now i will try the simple coil wire .LOL

    Lets see if thats it ?
    keep us updated. I've seen wires go out on the old 350s

    Steve
    10 Chevy Traverse LT AWD
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    99 Chevy Cavalier LS (105K+ miles - commuter car)
    78 Chevy Suburban Silverado (454, 3/4 ton)
    62 GMC 3/4 ton Pickup (350 police interceptor)

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  7. #7

    Default

    Quote Originally Posted by Steve View Post
    keep us updated. I've seen wires go out on the old 350s

    What do u mean by OLD 350,,,,,,ITS a 5.7 VORTEC !!!!!!!!! LOL

  8. #8

    Default

    OK,,,CANT FIND IT !!!!!!! Changed everything, crank module , coil module, distributer module, rotor,cap,coil,wires. And still NO spark ????????????????

  9. #9

    Default

    Still nothing,,,,can somebody please help me ???????

    This is a mistery X100 , never ever had something like this. Could it be the ecm ( computer ) all of the sudden ?


    Scott

  10. #10

    Default

    Just for **** s and gillggles disconnect the tach connector from the cap it might be grounding out somewhere. Also check if your getting 12 volts at the coil.

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