Voltage Controller MM-VC1

For 2005 & later GM Application Alternators 

          with 2-Pin Harness Connection

 

DO NOT RETURN THIS PRODUCT!

First contact technical support at:  1 (888) MECHMAN

 

 

Works only with alternators with this 2-pin harness connection on GM vehicles

 Application note:

 

 

 

General

 

• Eye protection must be worn when working on batteries.
• Remove all jewelry before working on the electrical system.
• Always refer to a service manual for specifics about your vehicle’s alternator installation and electrical system.
• The MM-VC1 controller is not waterproof and should be mounted inside the passenger compartment away from any heat source.
• One MM-VC1 may control up to four (4) alternators.  Custom wiring for this application is required.  

 

Installation steps:

 

 

 

 

 

Note:  Be sure the P103 module is installed, or a charge alert will show on the instrument cluster.

 

Firewall grommet:  Wires passing through the firewall must be protected by a grommet.  Either a hole can be drilled and a grommet installed or the wire can be routed through an existing grommet.  Take care not to damage any existing wiring.