Roof Beacon Lamp Always On
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. 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 (Within an Electrical Center)
or Relay Replacement (Attached to Wire Harness)
. 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 |