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    Re: Do I need a new PCM?

    No codes but I don't run it for very long either. I don't want to ruin the battery by overcharging it
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    Re: Do I need a new PCM?

    Ok, I've replaced pcm and ignition switch. It now starts fine and idles but still overcharging. Any suggestions? :bang:
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    Re: Do I need a new PCM?

    Everything I've read on it says the regulator is in the PCM. But there are 2 or 3 different PCMs for 97 also. The one I have was replaced about a year ago but has no part # on it. Any ideas on how...
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    Re: Do I need a new PCM?

    when the gauge on the dash works it only goes to 14 at the most. I have 2 multimeters and they both read over 15 at the battery. If the ignition switch was out would it cause the jeep to die? It...
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    Re: Do I need a new PCM?

    by the ignition switch, I am assuming that you mean one mounted on the column under the dash? Also I checked the alternator at the battery and it is charging about 15.5 volts. Is that too high?
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    Do I need a new PCM?

    1997 cherokee country with 4.0 auto 4x4. Transmission doesn't always lock up torque convertor, cel doesn't always come on when you turn key on, electric fan comes on as soon as you turn the key on...
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