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need some truck help

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by bigoltrux77, Sep 10, 2002.

  1. bigoltrux77

    bigoltrux77 1/2 ton status

    Joined:
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    Location:
    Fort Polk, LA
    ok a few weeks ago my truck stalled in the middle of the road. I found out that it was electrical. Im getting no spark to my plugs when i crankk it. I changed the cap and rotor bc the old one was shot. I dont think it would be the coil or module bc i didnt think they would just go out in the middle of the street. And all the wires from the distributor go to the right place. Am i missing something? Now all it does is crank over with no spark.
     
  2. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

    Joined:
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    Location:
    Atlanta
    Modules and coils do go just like that.
    Before I would go throwing parts at it I would do a little testing.
    Fist is take a test light and make sure that the Distributor is getting 12v with the key on.
    Next find a meter and meter accross the positive and negative and make sure the coil isn't open. That checks out then I would start suspecting the Modual. Sometimes they will get spiked from a cruded up cap and a bad rotor button.
     

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