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  1. #1

    Default Spark control module location?

    Can someone tell me where the Spark control module is located on a 1985 Chevy C10 P/U with a 305 V8? Thanks!!
    John in New Smyrna Beach,FLA

    :sign0017:

  2. #2
    Legend unplugged's Avatar
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    The control module is inside the distributor. Looks like this:
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  3. #3

    Default

    That is not the module i'm refering to.But, thanks for the reply! This module plugs into the distributor. I think it is under the dash or on the other side of the firewall.I just can't find it!!!

  4. #4

    Default

    The 4.3L is behind the distributor on the air pipe.
    The 5.0L is on the brake pedal bracket according to Mitchell.
    Jim

    2004 SILVERADO 2500HD LS
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    285-75-16 Cooper ST All Terrains
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    Other rides:

    1967 Landcruiser <350 Chevy>
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    1990 Geo Metro Convertible
    2007 FJ Cruiser

  5. #5

    Default

    Thanks for the info. Hopefully this will cure my problem. I'll post my results. - John

  6. #6

    Default

    The spark control module is forward of the glove box on my 85 C10. I'm swapping out SCM today.

  7. #7

    Default

    Replaced Spark Control Module. Truck runs great!

  8. #8

    Default

    Wake up this morning & truck would not start. Having the same problem - No Spark! WTF!!!!

    Could a weak battery be causing this?????? Anyone?

  9. #9

    Default

    Check the power and ground to the spark control module while it won't start. If you suspect a bad connection you can jump power or ground or both to the module as a test.

  10. #10

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    It Looks like a connection problem. if i reseat the connector on the SCM, the truck will usually start and run for a day or two, then dies again.

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