12
Test for a short to ground in the headlamp
relay control circuit. Refer to Circuit
Testing and Electrical Center
Identification Views .
Did you find and correct a condition?
Go to Step 21
Go to Step 13
13
Inspect for poor connections at the harness
connector of the BCM. Refer to Circuit
Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 21
Go to Step 17
14
Inspect for poor connections at the harness
connector of the headlamp and panel
dimmer switch. Refer to Circuit Testing
and Wiring Repairs .
Did you find and correct the condition?
Go to Step 21
Go to Step 19
15
Repair the short to ground in the right or
left low or high beam headlamp ground
circuit. Refer to Circuit Testing and
Wiring Repairs .
Did you complete the repair?
Go to Step 21
-
16
Repair the short to voltage in the right or
left low beam headlamp supply voltage
circuit. Refer to Wiring Repairs .
Did you complete the repair?
Go to Step 21
-
17
Replace the BCM. Refer to Control
Module References for replacement, setup
and programming.
Did you complete the replacement?
Go to Step 21
-
18
Replace the headlamp relay. Refer to Relay
Replacement (Attached to Wire
Harness) or Relay Replacement (Within
an Electrical Center) .
Did you complete the repair?
Go to Step 21
-
19
Replace the headlamp and panel dimmer
switch. Refer to Headlamp Switch
Replacement.
Did you complete the repair?
Go to Step 21
-
20
Replace the turn signal/multifunction
switch. Refer to Turn Signal
-
2007 Hummer H3
2007 ACCESSORIES & EQUIPMENT Lighting - H3