Standard plugs & harnesses

H108 GM 4pin to Toyota oval 3 pin harness

This is the same harness we include in our standard build Toyota Supra 170-amp and 240-amp alternators. When using GM 4 pin regulators you're able to achieve higher voltage for modern AGM style batteries than the standard Toyota oval 3pin regulators are...

H110 GM oval male to Ford 3G/4G female adapter harness

Harness used to connect GM oval male to Ford 3G/4G female plug.

H105 Harness to connect GM 4pin to Ford 6G harness

Harness used to connect our (male)GM 4pin equipped Denso/Hairpin alternators to (female)Ford 6G vehicle harness.

H101 CS Female Plug To AD Male Plug Adapter

This handy little adapter harness allows you to plug an oval 4 pin late model GM alternator in to a Rectangular CS130 or CS144 vehicle harness. This harness is required in order to install certain high output alternators on GM trucks that originally came...

H106 Indicator light harness for CS Female Plug To AD Male Plug Adapter

This handy little adapter harness allows you to plug an oval 4 pin late model GM alternator in to a Rectangular CS130 or CS144 vehicle harness. This harness is required in order to install certain high output alternators on GM trucks that originally came...

P103 Gm 2 Pin Module for use with factory 05> GM vehicles WITH Mechman alternator

This module is for use on GM vehicles equipped with a 2 pin regulator and a RVC sensor (Regulated Voltage Control). Simply plug module into your vehicle's factory harness and tie out of the way. This will eliminate the check charging system code...

External Regulator Harness

Two Pin External regulator harness. This harness is needed to connect Mechman alternators that have been made to be compatible with the 91102R Transpo regulator. It can also be used to connect Chrysler/Dodge/Jeep alternators with the same plug in picture...

H104 Indicator light harness for 1996-2004 GM Truck

This adapter harness is supplied with all MechMan hairpin alternators for 1996-2004 GM Trucks and SUV's. It accepts oval GM alternator plugs, and plugs into oval GM alternators. The longer blue wire gets connected to an ignition switched 12V+ source to...

P101 GM 4 pin plug pigtail with excite wire

This is a simple pigtail that plugs into any oval shaped 4 pin GM alternator plug. The yellow wire gets connected to any ignition switched 12 volts. This is a great way to easily wire multiple GM alternators onto a vehicle, or adapt a GM alternator on...