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Schematic Reference: Outside Mirror Schematics 1 Did you perform the Door Systems Diagnostic Go to Step 2 Go to Diagnostic System Check - Door Systems 2 Verify the heated mirrors inoperative fault is Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 3 Does the rear window defogger operate properly? Go to Step 4 Go to Defogger Inoperative - Rear Window in Stationary Windows 4 1. Disconnect the appropriate mirror. 2. Start the engine. 3. Connect a test lamp between the mirror heater control and the mirror heater ground 4. Activate the rear window defogger switch. Does the test lamp illuminate? Go to Step 5 Go to Step 6 5 Inspect for poor connections at the harness Go to Step 9 Go to Step 7 6 Inspect for poor connections at the harness Go to Step 9 Go to Step 8 7 Replace the appropriate outside rearview mirror Go to Step 9 - 8 Replace the appropriate door module. Refer to IMPORTANT: Perform the set up procedure for the Go to Step 9 -
2004 Hummer H2 2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
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