B. NSN 2920-01-407-0532 (100 amp) and NSN 2920-01-420-9968 (200 amp) are for a dual voltage alternator used on the new A2 and ECV HMMWV´s with an electronic control transmission.. The Hummer H3 Wiring Diagram, in particular, is especially useful when it comes to troubleshooting specific electrical issues. The Hummer H3 Wiring Diagram is a comprehensive guide that provides Hummer owners with all the information they need to make repairs or upgrades to their vehicle.
AIR CONDITIONING - Hummer H2 2006 - SYSTEM WIRING DIAGRAMS ANTI-LOCK BRAKES - Hummer H2 2006 - SYSTEM WIRING DIAGRAMS ANTI-THEFT - Hummer H2 2006 - SYSTEM WIRING DIAGRAMS BODY CONTROL MODULES - Hummer H2 2006 - SYSTEM WIRING DIAGRAMS COMPUTER DATA LINES - Hummer H2 2006 - SYSTEM WIRING DIAGRAMS CRUISE CONTROL - Hummer H2.. Need to Ground 14V+ Connection on Dual Voltage Alternator According to information found on the Hummer Knowledge Base, the 14V+ output on the 200 Amp Dual Voltage Alternator 2920-01-420-9968 [2920014209968] is required to be grounded to the alternator frame using an AWG 18 wire. Please review here. Also see here.