GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Cell 44: PWR, GND, ABS Relays


Object Number: 378091  Size: FS
ABS Components
ABS/TCS System Description
Cell 44: ABS and Traction Control Indicators
Handling ESD Sensitive Parts Notice
Cell 14: G102, G104, G106, G110 and G301
Cell 10: IGN 1 Fuse, Ignition Switch
Cell 10: Battery Power
Cell 50: UART Serial Data Line
Cell 14: G202 (1 of 3) (Buick)
Cell 14: G202 (1 of 3) (Oldsmobile)
Cell 14: G102, G104, G106, G110 and G301
Cell 44: ABS and Traction Control Indicators
Cell 44: Stoplamp/BTSI Switch, Inlet/Outlet Solenoid Valves, and Wheel Speed Sensors
Cell 44: Stoplamp/BTSI Switch, Inlet/Outlet Solenoid Valves, and Wheel Speed Sensors
Figure 2:

Cell 44: ABS and Traction Control Indicators


Object Number: 378156  Size: FS
ABS Components
ABS/TCS System Description
Cell 44: Stoplamp/BTSI Switch, Inlet/Outlet Solenoid Valves, and Wheel Speed Sensors
Cell 44: PWR, GND, ABS Relays
Handling ESD Sensitive Parts Notice
Cell 10: CHIME (IGN 1) Fuse (Buick)
Cell 10: CHIME (IGN 1) Fuse (Oldsmobile)
Cell 10: IGN 3 Fuse and Ignition Switch (Buick)
Cell 10: IGN 3 Fuse, Ignition Switch (Oldsmobile)
Cell 44: PWR, GND, ABS Relays
Cell 44: PWR, GND, ABS Relays
Cell 81: Airbag Indicator
Cell 81: Airbag Indicator
Figure 3:

Cell 44: Stoplamp/BTSI Switch, Inlet/Outlet Solenoid Valves, and Wheel Speed Sensors


Object Number: 378152  Size: FS
ABS Components
ABS/TCS System Description
Cell 44: Traction Control Switch
Cell 44: ABS and Traction Control Indicators
Handling ESD Sensitive Parts Notice
Cell 110: Turn/Hazard Switch and Stoplamp/BTSI Switch
Cell 110: Turn/Hazard Switch and Stoplamp/BTSI Switch
Cell 10: EXT LP and HTD ST/IP Fuses
Cell 44: PWR, GND, ABS Relays
Cell 44: PWR, GND, ABS Relays
Cell 44: ABS/TCS Switch, Isolation Valve Solenoids, and PCM
Figure 4:

Cell 44: Traction Control Switch


Object Number: 378157  Size: FS
ABS Components
ABS/TCS System Description
Cell 44: ABS/TCS Switch, Isolation Valve Solenoids, and PCM
Cell 44: Stoplamp/BTSI Switch, Inlet/Outlet Solenoid Valves, and Wheel Speed Sensors
Handling ESD Sensitive Parts Notice
Cell 14: G202 (3 of 3) (Oldsmobile)
Cell 14: G202 (1 of 3) (Oldsmobile)
Cell 14: G202 (1 of 3) (Buick)
Figure 5:

Cell 44: ABS/TCS Switch, Isolation Valve Solenoids, and PCM


Object Number: 378161  Size: FS
ABS Components
ABS/TCS System Description
Cell 44: Traction Control Switch
Handling ESD Sensitive Parts Notice
Cell 44: Stoplamp/BTSI Switch, Inlet/Outlet Solenoid Valves, and Wheel Speed Sensors