• The Mechman H104-L Voltage Boost Harness is tailored for 1996-2004 GM Trucks and SUVs with an oval GM alternator plug.
• Features a longer blue wire for easy connection to an ignition-switched 12V+ source, allowing control of the alternator with ignition.
• Compatible with stock alternator harnesses on 1996-2004 GM trucks with an oval 4-pin alternator plug.
• Versatile design allows modification for hardwiring to ignition 12V+ in engine swap applications without the stock alternator harness.

Mechman H104 Voltage Boost Harness 96-04 GM +1V Increase for Lithium Batteries

This Listing Includes:

• (1) Mechman H104 Voltage Boost Harness.

Upgrade the charging system of your 1996-2004 GM Truck or SUV with the Mechman H104-L Voltage Boost Harness. Specifically designed for vehicles with an oval GM alternator plug, this harness provides a 1-volt increase optimized for lithium batteries. The longer blue wire simplifies the connection to an ignition-switched 12V+ source, enabling easy control of the alternator with ignition activation. The H104-L is compatible with stock alternator harnesses on 1996-2004 GM trucks featuring an oval 4-pin alternator plug. For engine swap applications where the stock alternator harness is unavailable, this harness can be modified and hardwired to an ignition 12V+ source, ensuring versatility for various installations.

Features:

• Voltage Boost Harness for 1996-2004 GM Trucks with oval alternator plug


• 1-volt increase tailored for lithium batteries


• Longer blue wire for easy connection to an ignition-switched 12V+ source


• Compatible with stock alternator harnesses on 1996-2004 GM trucks with oval 4-pin alternator plug


• Versatile design allows modification for hardwiring to ignition 12V+ in engine swap applications

Specifications:

• Compatible Vehicles: 1996-2004 GM Trucks and SUVs with oval alternator plug


• Voltage Increase: 1 Volt

NOTE: This unit is NOT FOR USE ON STANDARD 12V AGM BATTERIES.

This module will increase the charging voltage by 1.0 Volt, and will swell and damage AGM batteries.

Please check with your Lithium battery manufacturer to verify the proper charging voltage before installing this module!