Question about 1993 Jeep Cherokee Country

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Cherokee charging problem

I have a 93 jeep cherokee with the 4.0 auto. It will not charge, the alternator checks good, I put a different computor in it. It is getting battery voltage to the field terminal but still no charging. Any ideas?

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I'm pretty sure that the field is supplied with a controlled current that varies with load current being drawn from the unit meaning that the voltage applied would vary too. I don't think you are supposed to have 'battery voltage' (~ 12 V) to the field all the time. That would imply that the field is either open (not conducting) or is not being controlled by the PCM/ECU. 

Posted on Sep 08, 2008


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