For 1990-2009 cars

# Cell 51: BCM: Interior Lights On Request, Horn Control

Body Control Module Components
Body Control System Circuit Description
Cell 51: BCM: Ignition Input, Door Locks, Exterior Lamps Output
00 UVAN IP Aud Warning Schematic Figure SIO
2000 U-Van RAP fig sio
Vehicle Speed Sensor
Horns
Door Lock Switches
Power, Ground, Class 2 Data Line, Gauges
Door Lock Switches
Interior Lights Schematics (Cell 114: Door Locks, Sliding Door Jamb SwiTches, Liftgate Door Lock)
Cell 110: Taillamps, Side Markers, Park/Turn Lamps
Interior Lights Schematics (Cell 114: Headlamp and IP Lamp Dimmer Switch)