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Go to Step 2 System Check - Vehicle 2 Verify that the rear fog lamps are always Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 3 Use the scan tool to monitor the rear fog Go to Step 4 Go to Step 5 4 Test for a short to ground in the rear fog Go to Step 12 Go to Step 10 5 Remove the rear fog lamp relay. Go to Step 6 Go to Step 8 6 1. Ensure that the rear fog lamp switch is in the OFF position. 2. Test for a ground signal at the rear fog lamp relay control circuit terminal in Was a ground signal found? Go to Step 7 Go to Step 11 7 Inspect for poor connections at the harness Go to Step 12 Go to Step 9 8 Repair the short to voltage in the rear fog Go to Step 12 - 9 Replace the BCM. Refer to Control Go to Step 12 -
2007 Hummer H3 2007 ACCESSORIES & EQUIPMENT Lighting - H3
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