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# ERCKFRM-091 - Heavy Duty Chrysler, Dodge, Jeep, Volkswagen External Voltage Regulator Kit with Modified 150240091MOD Driver w/plug

Price: $119.95
Part #: ERCKFRM-091

Exclusive Stainless Steel Plug Retaining Clip 
When the plug falls out, someone gets stranded, no fun.

Part code (number) : ERCKFRM-091

This combo External Voltage Regulator By-Pass Kit with Modified Driver w/plug used on 2006 and newer Dodge, Chrysler, Jeep and Volkswagen van that have a BOSCH type alternator with Black Plastic cover over the back and the plug pulls straight out the back.

Since 1987 for Dodge and Chrysler vehicles and since 1991 for Jeep Family vehicles have alternators that are controlled by the Alternator Voltage Regulator Control Module inside the vehicle computer.
CAUTION: vehicles after 2005 may also require a modified driver as well. Email your vehicles year, make, model, engine info and we will tell you if a modified driver is needed

Engine Control Unit (Computer).

The computer is often called the ECC, ECM, EEC, or PCM. Often the alternator voltage regulator, or field control module, in the computer will fail, leaving you with a dead charging system situation where your alternator doesn't work, yet your engine runs just fine. To get your alternator working your entire computer would need to be replaced.

In a bind?, to get your alternator working you can bypass the internal Alternator Voltage Regulator Control inside the computer by using our External Voltage Regulator Conversion kit.

Kit Contents:

Heavy Duty Adjustable Voltage Regulator

Wiring harness to Alternator in split tubing with molded Plug to Regulator with Exclusive plug retaining clip 

14 Gauge Grounding wire from Regulator to Alternator

#10 Insulated Ring terminals 14/16

1/4"  Insulated Ring terminal 14/16

Insulated Butt Splice Connectors

Flat Blade Connectors

Hex Head Regulator Mounting Screws

FRM ( Field Replacement Module )

150240091MOD Modified Driver with PLUG

Zip Ties

Instruction Sheet (English) other language available downloaded in PDF format

Free phone & email help with purchase

NOTE: The FRM Module (gold color) is inserted beteen the two wires that go back to the vehicle's computer, which you remove from the alternator to install the external voltage regulator kit. Your vehicles' computer may be broken in such a way the FRM Module will not put out the check engine light in about 10 to 20% of the cases, but the external voltage regulator kit will work 100% of the time as long as your alternator is working.

The FRM module does NOT need to be grounded, where as, the metal case of the voltage regulator must have a good ground between the alternator, voltage regulator and battery. The FRM module may get hot so don't wrap it up with tape.

How to test your alternator on the vehicle:

To check to see if your alternator is working, unplug or remove the two field wires from the back of the alternator. Then ground one of the field terminals on the alternator and jumper the other field terminal to the positive battery post on the back of the alternator. It does not matter which terminal is grounded and which one get positive power. When you connect the ground and positive wires to the field terminals you will get a small spark, this is normal. This is by-passing the voltage control and will cause your alternator to run full blast, if it is working. Put a multi-meter on your battery and run your engine on high idle, do not allow your alternator to charge the battery much over 16 volts. If you find that your alternator is charging when you do this procedure, but does not charge when you connect it back to the computer, this kit will get your alternator working and charging at the proper voltage. The voltage regulator is preset at 14.5 volts. If you want to adjust the voltage regulator you use the screw on the back, but be sure the metal case of the voltage regulator is grounded while you adjust it.

Ref: QSERCK , ERCK, FRM, ERCK-FRM, erckfrm091

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