CLEARANCE LAMPS INOPERATIVE
Clearance Lamps Inoperative
8
Repair the open or high resistance in the
backup lamp supply voltage circuit or the
ground circuit.
Did you complete the repair?
Go to Step 11
-
9
Replace the inoperative bulb. Refer to
Backup Lamp Bulb Replacement.
Did you complete the replacement?
Go to Step 11
-
10
Adjust or replace the PNP switch if
equipped with an automatic transmission or
the backup lamp switch if equipped with a
manual transmission. Refer to Park/Neutral
Backup Switch Adjustment and
Park/Neutral Backup Switch
Replacement or Backup Lamp Switch
Replacement .
Did you complete the replacement?
Go to Step 11
-
11
Operate the system in order to verify the
repair.
Did you correct the condition?
System OK
Go to Step 3
Step
Action
Yes
No
Schematic Reference: Exterior Lights Schematics
Connector End View Reference: Lighting Systems Connector End Views or Data
Communication Connector End Views
1
Did you perform the Diagnostic System
Check - Vehicle?
Go to Step 2
Go to
Diagnostic
System Check -
Vehicle
2
Turn ON the park lamps.
Do the clearance lamps illuminate?
Go to Testing
for Intermittent
Conditions and
Poor
Connections
Go to Step 3
3
Are the park lamps illuminated?
Go to Park,
License and
2007 Hummer H3
2007 ACCESSORIES & EQUIPMENT Lighting - H3