Computer ECU Regulator Bypass kits
Chrysler Voltage Regulator Kit
Dodge Voltage Regulator Kit
Jeep Regulator Kit
Install a High Output Alternator with External Voltage Regulator on your Dodge, Chrysler and Jeep Cars and Trucks
When you have a broken field control function in your car's "Computer", bypass the ECU with our External Regulator Conversion Kit. Get your Charging System Working!
This kit can also be used to prevent damage to your ECU from a High Output Alternator with external regulator. Also, can be used as a wiring harness and external alternator regulator replacement kit for any 1987 and earlier Chrysler Round and Square back alternator with external regulator and dual insulated brushes. Can be used on the Chrysler Square Back, Nippondenso External Regulated, Bosch External Regulated, Mitsubishi External Regulated units.
Since 1987 for Dodge and Chrysler and 1991 for Jeep, vehicles have external regulator alternators that are controlled by the Alternator Voltage Control Module inside the Engine Control Unit, ECU (computer) . This is often called the ECC, ECM, EEC, or PCM. Often, especially after installing a high output alternator with external voltage regulator, the alternator voltage control module in the ECU will fail , leaving you with a dead charging system where your external regulator alternator doesn't work , or doesn't work the way it should , yet your engine runs fine. Before our external voltage regulator conversion kit the entire ECU would need replacement at a cost of between $300 and $1600
In order to avoid costly ECU repairs, you can simply bypass the field voltage control module inside your computer by using our innovative external voltage regulator kit.
We now provide all you need to get your Chrysler family vehicle's charging system 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 Heavy Duty Adjustable, External Voltage Regulator. With the External Regulator kit you can save hundreds of dollars on costly ECU repairs and vehicle down time..
ECU troubleshooting: If the battery voltage is between 12.8V and 14.7V, your ECU Power Module should be fine. If you unit is not working or your battery 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.
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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.
Also, this product can be used as a wiring harness and external voltage regulator replacement kit for any 1987 and earlier Chrysler Family vehicle alternator with dual insulated brushes. Can be used on the Chrysler Square Back, Nippondenso External Regulated, Bosch External Regulated, Mitsubishi External Regulated units.