Chrysler, Dodge, Jeep external voltage regulator kit like our part # ERCK . To make it work you just need an ignition wire run to both the voltage regulator "I" connection and to one of field connections (brushes) on the alternator. The "field" connection on the voltage regulator is run to the other brush (field) connection.
This is an "A" circuit type voltage regulator which means full power is sent to one brush while the voltage regulator controls the output by varying the ground to the other brush. It does not matter which wire you run to the regulator field connection and which one to ground, you can swap them around. External regulator can make your alternator work.
We now provide all you need to get your Chrysler, Dodge Jeep vehicle's alternator working or get a high voltage condition back in control plus you can prevent ECU failure from installing a high output alternator. The External Voltage Regulator Conversion Kit comes complete with a reliable Adjustable, External Voltage Regulator. With the External Voltage Regulator Conversion kit you can get your alternator working and save in ECU repairs.
ECU troubleshooting: If the battery voltage is between 12.8V and 14.7V, your ECU Power Module should be fine. If you alternator is not working or your alternator voltage is above 15 volts you have a problem with your ECU. If your voltage is low you may have an ECU problem or your bridge rectifier in the alternator is failing. Have your alternator checked off the vehicle.
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Note: the FRM (field replacement module) is designed to put out the check engine light but does not work in all cases. Your computer may be broken in such a way that it does not work.Click For Pricing and Purchasing Information