Hummer H3 (2005 - 2006) - fuse box diagram - Auto Genius Nov 01, 2018Hummer H3 (2005 – 2006) – fuse box diagram Year of production: 2005, 2006 Engine Compartment Fuse Block The engine compartment fuse block is located on the driver’s side of the engine compartment. Hummer H3 Fuse Box Diagram » Fuse Diagram Hummer H3 Fuse Box Diagram . Windshield Wiper Fuses The windshield wiper motor is protected by a circuit breaker and a fuse. If the motor overheats due to heavy snow or ice, the wiper will stop until the motor cools. If the overload is caused by some electrical problem, be sure to get it fixed.