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7 2. Connect a test lamp to a good ground. 3. Probe the door unlock relay coil battery supply voltage circuit. Does the test lamp illuminate? Go to Step 8 Go to Step 27 8 1. Connect a test lamp to battery positive voltage. 2. Probe the door actuator unlock control circuit cavity in the fuse block. Does the test lamp illuminate? Go to Step 10 Go to Step 9 9 1. Install the rear door unlock relay. 2. Remove the rear door lock relay. 3. Connect a test lamp to battery positive voltage. 4. Probe the door lock actuator lock control circuit cavity in the fuse block. Does the test lamp illuminate? Go to Step 11 Go to Step 27 10 1. Connect a test lamp to battery positive voltage. 2. Probe the rear door unlock relay control circuit. Does the test lamp illuminate? Go to Step 22 Go to Step 26 11 1. Connect a test lamp to battery positive voltage. 2. Probe the rear door lock relay control circuit. Does the test lamp illuminate? Go to Step 23 Go to Step 25 12 1. Remove the rear door lock relay. 2. Connect a test lamp to a good ground. 3. Probe the battery positive voltage circuit (high current) cavity in the fuse block. Does the test lamp illuminate? Go to Step 13 Go to Step 27 13 With the test lamp connected to a good ground, Go to Step 22 Go to Step 14 1. Connect a test lamp to battery positive
2004 Hummer H2 2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
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