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Big 40G only runs at weld speed

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  • Big 40G only runs at weld speed

    I have a big 40g serial KJ229860 that will only run at weld speed. It will not drop down to idle. There is no CV mode switch. The linkage for the idle solenoid is free and not binding. The idle solenoid does not pull in.

    Thanks for any help.

  • #2
    Unhook the throttle solenoid and apply 12vdc (battery voltage) to the solenoid. Does it pull in? If yes then it's the Idle module or CR99. For some reason I cannot attach the trouble shooting chart for the module.

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    • #3

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