Service manual

8-100 Lighting Systems Body and Accessories
2006 LSSV Service Manual Supplement
Blackout (B/O) Marker Lamps Inoperative (cont’d)
Step Action Yes No
10
Locate and repair an open in circuit 911 (PK) wire between
inline fuse B and blackout (B/O) service drive switch.
Did you complete the repair? Go to Step 18
___
11
Disconnect the blackout (B/O) marker lamp(s) and connect a
test lamp between cavity A circuit 900 (BN/WH) front and
circuit 900 (BN/WH) rear to ground.
Does the test lamp illuminate? Go to Step 12 Go to Step 13
12
Replace blackout (B/O) marker lamp(s) assembly.
Did you complete the replacement? Go to Step 18
___
13
Locate and repair an open in circuit 900 (BN/WH) front and
circuit 900 (BN/WH) rear wire between inline fuse and blackout
(B/O) marker lamp assembly.
Did you complete the repair? Go to Step 18
___
14
Connect a test lamp between the blackout (B/O) service switch
to circuit 40 (OG) cavity B and ground.
Does the test lamp illuminate? Go to Step 15 Go to Step 16
15
Replace blackout (B/O) service switch. Refer to Blackout (B/O)
Switch Replacement.
Did you complete the replacement? Go to Step 18
___
16
Connect a test lamp at I/P relay block connector C8 cavity C
circuit 40 (OG) wire and ground.
Does the test lamp illuminate?
Go to Step 17
Go to Electrical
Center
Identification
Views in Wiring
Systems
17
Locate and repair open in circuit 40 (OG) wire between I/P
relay block connector C8 cavity C and the blackout (B/O)
service switch.
Did you complete the repair? Go to Step 18
___
18
Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2
Voltmeter Gage Lamp Inoperative
Step Action Yes No
Schematic Reference: Interior Lights Dimming Schematics
Connector 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 in Vehicle
DTC Information
in 2006 C/K Truck
Service Manual