GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Interior Lights Dimming Schematics
Figure 1:

Cell 117 Headlamp Switch, Rear Seat Heater Switches, and Radio
Object Number: 382127 Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Cell 117 Instrument Cluster, Heater and A/C Control, and Cigarette Lighter
Cell 10 Fuse Block, Radio, Rear License Lamps, and Headlamp Switch
Cell 117 Instrument Cluster, Heater and A/C Control, and Cigarette Lighter
Ground Distribution Schematics
Handling Electrostatic Discharge Sensitive Parts Notice
Cell 143 LH and RH Rear Seat Heater Switches
Ground Distribution Schematics
Cell 14 Radio, Cell Phone, CD Changer, and Radio Speaker Amplifier
Cell 14 Rear Seat Cushion Heaters, Rear Heater Switches, and Rear Window Regulator Motors
Cell 117 Instrument Cluster, Heater and A/C Control, and Cigarette Lighter
Figure 2:

Cell 117 Instrument Cluster, Heaterand A/C Control, and Cigarette Lighter
Object Number: 382129 Size: FS
Lighting Systems Components
Interior Lights Dimming Circuit Description
Cell 117 Headlamp Switch, Rear Seat Heater Switches, and Radio
Cell 117 Headlamp Switch, Rear Seat Heater Switches, and Radio
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Cell 143 Driver Seat Heater Switch and Heater Relay K55
Cell 143 Passenger Seat Heater Switch and Heater Relay K56
Ground Distribution Schematics
Ground Distribution Schematics
Cell 117 Headlamp Switch, Rear Seat Heater Switches, and Radio