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Follow these instructions in order to avoid an incorrect diagnosis because of connections: z If testing the vehicle with the battery cables still connected, wiggle the J 42000 clips on the terminal bolt. Even new bolts contain a protective coating that may insulate or cause a resistance in the test circuit. z If correct connections to the battery terminal bolts in the vehicle are in doubt, perform the following 1. Disconnect the negative battery cable. 2. Disconnect the positive battery cable. 3. Install the test adapters on the terminals. 4. Follow the instructions for testing a removed battery. z If the tester displays a REPLACE BATTERY or BAD CELL-REPLACE result for a battery tested in the 1. Disconnect the negative battery cable. 2. Disconnect the positive battery cable. 3. Install the tester adapters. 4. Follow the instructions for testing a removed battery. 5. Replace the battery only if the second test shows a REPLACE BATTERY or BAD CELL- REPLACE result. Use the test code from the second test for any warranty purposes. z Use the correct terminal adapters. Do not use any common bolts or a combination of bolts, of nuts, and of washers as adapters when testing connections to the battery terminals. A failure to obtain the correct z Use the Out of Vehicle test for each battery when testing a vehicle with IMPORTANT: Always write the test code displayed by the tester on the repair order for any warranty purposes. The number is a unique code that
2004 Hummer H2 2004 ELECTRICAL Engine Electrical - Hummer H2
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