The following are function charts for the service light/blackout control switch and determines under what conditions various exterior and interior lighting functions activate.
Exterior Lamp or Device | Service Lights/Blackout Switch | Blackout Drive Light Switch |
|---|---|---|
Headlamps and Taillamps | SERVICE ON | OFF |
Parking Lamps | SERVICE ON | OFF |
Front/Rear Side Marker Lamps | SERVICE ON | OFF |
Marker Lamps; Roof, Fender and End Gate | SERVICE ON | OFF |
Stoplamps | SERVICE ON | OFF |
Back-up Lamps | SERVICE ON | OFF |
License Plate Lamps | SERVICE ON | OFF |
Front/Rear Turn Signals | SERVICE ON | OFF |
Hazard Warning Lamps | ALL POSITIONS | ON/OFF |
Cargo Lamp (If Equipped) | SERVICE ON | OFF |
Horn | SERVICE ON | OFF |
Front/Rear Blackout Marker Lamps | BLACKOUT | ON/OFF |
Blackout Stop Lamps | BLACKOUT | ON/OFF |
Blackout Drive Lamp (Headlamp) | BLACKOUT | ON |
Interior Lamp or Device | Service Lights/Blackout Switch | Blackout Drive Light Switch |
|---|---|---|
Instrument Panel/Switch Illumination | SERVICE ON | OFF |
Radio/Clock Illumination | SERVICE ON | OFF |
Headlamp High-Beam Indicator | ALL POSITIONS | OFF |
Turn Signal Indicators | SERVICE ON | OFF |
Four-Wheel Drive Indicator | ALL POSITIONS | ON/OFF |
Dome/Courtesy Lamps | SERVICE ON | OFF |
Glove Compartment Lamp (if equipped) | SERVICE ON | OFF |
Tire Pressure Monitoring Gage Illumination | SERVICE ON | OFF |
Warning Chime: Headlamps On, Instrument Cluster Warning Lights | SERVICE ON | ON/OFF |
Hazard Warning Indicators | ALL POSITIONS | OFF |
