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  1. T

    P1491 code

    Thanks jerry , Is there anything I can do to test the alternator before replacing. I tested voltage, but may be something in the alternator shorting out? To cause these issues?
  2. T

    P1491 code

    Hi guys. I have a 2003 Jeep Wrangler 2.5, I have been having one hell of a time with the p1491 code. Replaced the radiator fan relay and harness. But there is weird things happening. If I don’t let it warm up in morning the radio will have some static, even though I have my phone plugged in...