![]() ![]() ![]() If these are all good, then you need to check the wiring between the PCM and the alternator, or the PCM itself may have a problem.Īnother possibility is a bad Battery Temperature Sensor. The field coil is powered by a box called Powertrain Control Module, and there are 3 fuses that might be of interest, numbered 6, 19, and 26 according to the schematic (see below). Would you like any additional help or materials Maybe. Mechanic's Assistant: The Jeep Mechanic will be able point you to right place. Something is shorting out my pcm trying to figure out what. If you don't see voltage on the field coil terminals, you might have a blown fuse. I need a pcm pin out diagram for an 04 grand Cherokee 4.0l 4wd. so i can determine where the exact wires for the map sensors, the iat sensors, oxygen sensors and the like. Can you make that happen pretty please just so I am being clear.what i need is the wiring harness details about each and every wire going from the harness to the ecu/pcm. Turn on the headlights to put some load on the battery, the voltage on the field coil should rise slightly. I need a pinout diagram for the pcm/ecu for a 2002 4.7 jeep grand cherokee limited. When an alternator is going bad, itll often begin to put out a high. Be careful to avoid getting caught by the alternator belt! With the engine running, there should be voltage across the terminals. Jeep Cherokee Water Leak Recall May Be On average, the cost for a Jeep Grand. You can check if the field coil is powered by connecting a multimeter to the terminals of the field coil, and starting the engine. The other two wires feed power to the field coil. One is a big fat wire that goes to the battery, this is the alternator output. There are 3 wires attached to the alternator. 00 2 Pin Alternator Repair Harness Connector For Chrysler Dodge Jeep Mopar. #Pin out pcm jeep cherokee 4.ol how to#Looks like the field coil of the alternator isn't getting power. How to remove and install the wires from a MOPAR PCM and simular connectors. ![]()
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