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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Accessory Power Socket) >> Description and Operation >> Power Outlets Description and Operation >> System Description

System Description

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The accessory power inverter module converts the 12-volt DC battery voltage to 108-125 volts AC to operate AC-powered devices. The accessory power inverter module provides up to 150 watts of power. The accessory power outlet is located on the left rear interior trim panel. The accessory power inverter module is located behind the left side rear quarter trim panel.

The 115V AC accessory power outlet system consists of the following components:

The power outlet only functions after the engine has been started. Additionally, it is rated for a maximum load of 150 watts. A higher load will trip the internal GFCI breaker. The breaker will auto-reset after several seconds. If the customer wishes to use the power outlet in a tailgate manner, advise them to start the engine. Depending upon conditions, the engine may enter the auto stop mode. The power outlet will function while the engine is in auto stop mode.