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Electrical:
12-volt and 24-volt Systems
Battery Connections
Jump-Starting
Alternator
Alternator Output Graph
Dual Alternator Wiring
Installing New Alternators
-
From the U.S. Army. Requires
Adobe Reader
Understanding Alternators -- an Overview
Upgrading 1992 and 1993 Models From Single Groove Alternator Pulley to a Dual Groove
-
Requires
Adobe Reader
Upgrading 1993 Models from 85 to 124 amp
Batteries
Checking Batteries
Replacing Batteries in Pairs
Battery Cables
Running Auxiliary Battery Cables to Rear of Truck
Electric Windows
Repairing
Fuse Charts
- Interior fuse boxes
1992 and 1993 Model Years
1994 Model Year
1995 Model Year
1996 Model Year
1997 Model Year
1998 Model Year
1999 Model Year
2000 Model Year
2001 Model Year
Illustrated Fuse Charts for the 2001 Model Year - Shown as they actually appear with labels, etc., .pdf (
Adobe Reader
) files, copyright 2007 by 2007 Wayne O. Wenzlaff.
Interior Fuse Box
Exterior Fuse Box
2002 Model Year
2003 Model Year
2004 Model Year
2006 Model Year (Alpha)
Interior Fuse Boxes Illustrated
Gauges
- See
Interior
Grommets for Passing Wires Through the Firewall
Grounding
Engine Ground Point
*
Grounding as a Source of Electrical Problems
Horn
Air Horn Installation
Dead Horn
- Troubleshooting
Ignition
Key Stuck in Ignition
Inverters
Lights
Adding a Third Brake Light
Brake Lights Not Working
Build your Own HID KIT for your HUMMER
Daytime Running Lights
Installing Military LED Lights on an H1
Headlights - WhatYou Need to Know, Lens Upgrades, HID Upgrades and more
- From AZHOG
Lamp Replacement Guide
- From Sylvania.com
Lights and Auxiliary Lighting
- By Bob Brauch
Military Blackout Lights
Military Marker Lights - Diagrams
Military Marker Lights and Turn Signal Modification
(among other things) - By Allan Madar.
Turn Signals
Flasher Units
Quick Disconnects - Make Your Own
- And other handy things
Starter
- By Allan Madar
Bracket (Military)
-
From the U.S. Army. Requires
Adobe Reader (Acrobat)
Bypassing the Neutral Safety Switch
Cleaning Starter Solenoid Contacts
"Marinizing"
(waterproofing)
Replacing the Starter
Starter Motor Installation Tool
-
From the U.S. Army. Requires
Adobe Reader (Acrobat)
Troubleshooting Starter Problems
Voltage
Voltage Drops at Higher Speeds
Windshield Wipers
Re-Positioning
- If they've slipped out of position.
Wiper Pivot Arm Install and Repair
- A Microsoft Word document
Wiper Pivot Arm Install and Repair
- A PDF document
Wiper Pivot Arm Install and Repair
- As a web page
Wiring
4L80E Transmission Internal Wiring Harness
Basic Electrical Theory
- Ohm's Law, Formulas & Equations
Running Wires Through the Firewall
Trailer/Towing Connector Wires
Wire Gauge and Current Limits
The Hummer Knowledge Base is a collection of informative posts from the Hummer Network forums and mailing lists, contributed material and links to outside web sites.
The Hummer Network is not responsible for the accuracy of the information contained herein or on outside web sites, nor for any situation arising from the use thereof.
© 2006-2011 by The Hummer Network. No material from the Hummer Knowledge Base may be reprinted or republished in any form without permission.