Knowledge Base - Electrical

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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.