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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 353 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> Jump Assist >> Vehicle Set-up Procedure

Vehicle Set-up Procedure

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure the 12 volt DC accessory battery is completely charged and tested. Refer to Battery Inspection/Test .
  2. Turn the ignition OFF.
    3. WARNING:

    High temperatures may result from failure to make a secure electrical connection. This could result in the potential for personal injury and damage to the vehicle and/or charger due to the extended period of time of operation and high currents involved with Jump-Assist.

  3. Connect a 12 volt DC battery charger to the vehicles 12 volt jump start locations ensuring that an electrically secure connection is made. The Jump Assist will abort if the 12 volt DC accessory battery voltage drops below 11.1 volts.
  4. Plug in the 12 volt DC battery charger and make certain that it is in the highest continuous CHARGE, but not START, state available. If required, turn the Charger ON.
  5. Proceed to Charging Procedure.
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