Blackout Marker Lamps Always On. Chevrolet Chevy K Silverado

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2005 🢒 Chevy K Silverado - 4WD 🢒 Body 🢒 Lighting Systems 🢒 Blackout Marker Lamps Always On

Step	Action	Yes	No
Schematic Reference: Exterior Lights Schematics and Interior Lights Schematics
1	Did you review Blackout (B/O) Lighting Description and Operation?	Go to Step 2	Go to Blackout Lighting Circuit Operation
2	Verify that the marker lamps are always on. Do the marker lamps operate normally?	Go to Testing for Electrical Intermittents in Wiring Systems in 2005 C/K Truck Service Manual	Go to Step 3
3	Disconnect the blackout (B/O) service switch. Connect a test lamp between circuit 911 (PK) cavity A wire and ground. Does the test lamp illuminate?	Go to Step 4	Go to Step 5
4	Repair a short to power in circuit 911 (PK) or circuit 900 (BN/WH) wire(s) between the blackout (B/O) service switch and blackout (B/O) marker lamps. Did you complete the repair?	Go to Step 6	___
5	Replace the blackout (B/O) service switch. Refer to Blackout Lamp Switch Replacement . Did you complete the replacement?	Go to Step 6	___
6	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2