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Load Test 1. Disconnect the battery negative cable from the battery negative terminal. Refer to Battery Negative Cable Disconnection and Connection. 2. Install the male end of the J 38758 to the battery ground terminal. See Special Tools. 3. Turn the J 38758 knob to the OFF position. See Special Tools. 4. Install the battery negative cable to the female end of the J 38758 . See Special Tools. 5. Turn the J 38758 knob to the ON position. See Special Tools. 6. Road test the vehicle and activate ALL of the accessories, including the radio and air conditioning. This may take up to 30 minutes. 7. Park the vehicle. Turn the ignition switch to the OFF position and remove the ignition switch key. 8. Connect a 10A fused jumper wire to the test switch tool terminals. 250 mA 3.3 500 mA 1.65 750 mA 1 1 A 0.8 2 A 0.4 CAUTION: Refer to Battery Disconnect Caution . NOTE: Do not turn the parasitic draw test switch to the OFF position with NOTE: The test switch must be in the ON position when removing the fuses IMPORTANT: The switch knob on the J 38758 is marked ON and OFF. See Special Tools. When the switch knob is in the ON position, the
2007 Hummer H3 2007 ENGINE Engine Electrical - H3
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