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  1. peggrw

    HMMWV Control Box issue - temperature affects starter engaging

    The start solenoid inside the box is not putting out the start signal to the engine connector. Was going to put in a test connector to see if the solenoid was being energized and to be sure the start signal from the dash switch was getting through the dash connector but then I found if I...
  2. peggrw

    HMMWV Control Box issue - temperature affects starter engaging

    Nope. New batteries didn't work.
  3. peggrw

    HMMWV Control Box issue - temperature affects starter engaging

    Thanks. If the starter signal makes it out of the control box engine side connector the starter itself acts like the batteries are brand new. But I know that one of the batteries has a marginal load issue. Not enough to notice when starting but is measurable. I racked my brain and...
  4. peggrw

    HMMWV Control Box issue - temperature affects starter engaging

    I managed to get my box to start working at all temps through some rerouting and tightening of internal wires, though I'm still chasing the starter wire gremlin. Is a problem only 5% of time now. The starter fails to engage so infrequently that I had to put a connector on the internal...
  5. peggrw

    HMMWV Control Box issue - temperature affects starter engaging

    Not sure whether you were asking related to the Camo box or not, but the type of box shouldn't matter. GP heat from any box is the same, just depends whether it's done automatically or how long you press the button on the Camo box to energize the plugs. If you were asking a general question...
  6. peggrw

    HMMWV Control Box issue - temperature affects starter engaging

    Have an unusual “NARTRON CONTROL REMOTE SWITCH” (control box) issue on a 1993 M1097 HMMWV. The control box will not engage the starter motor unless the internals of the control box are above 70 degrees Fahrenheit or so. This is independent of the ambient temperature or engine temp. Everything...
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