Roof Beacon Lamp Always On
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Roof Beacon Lamp Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Upfitter Provision Schematics Connector End View Reference: Lighting Systems Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify that the roof beacon lamp is always ON. Does the roof beacon lamp operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Disconnect the roof beacon relay. Does the roof beacon lamp turn OFF? |
Go to Step 4 | Go to Step 6 |
| 4 |
|
Go to Step 7 | Go to Step 5 |
| 5 | Test the hazard switch signal circuit of the roof beacon switch for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 9 | Go to Step 8 |
| 6 | Repair the hazard flasher signal circuit of the roof beacon relay for a short to voltage. Refer to Wiring Repairs
. Did you complete the repair? |
Go to Step 9 | - |
| 7 | Replace the roof beacon switch. Did you complete the replacement? |
Go to Step 9 | - |
| 8 | Replace the roof beacon relay. Refer to Relay Replacement (Attached to Wire Harness)
or Relay Replacement (Within an Electrical Center)
. Did you complete the replacement? |
Go to Step 9 | - |
| 9 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |