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

Garage Door Opener


Object Number: 1822880  Size: FS
Master Electrical Component List
Garage Door Opener Description and Operation (One LED)
Control Module References
Keyless Entry Module Power, Grounds, Antennas, and Switches
Fuse Block - Left Rear Bussing
G402 (1 of 2)
G402 (1 of 2)
Figure 2:

Module Power, Grounds, Antennas and Switches


Object Number: 1822883  Size: FS
Master Electrical Component List
Keyless Entry System Description and Operation
Control Module References
Keyless Entry DLC, Instrument Panel Cluster (IPC)
Garage Door Opener
Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay
Remote Function Schematic Icons
Remote Function Schematic Icons
Remote Function Schematic Icons
Remote Function Schematic Icons
Remote Function Schematic Icons
Remote Function Schematic Icons
G105, G106, G110, G306, G403 and G404
G402 (1 of 2)
Figure 3:

DLC, Instrument Panel Cluster (IPC)


Object Number: 1822886  Size: FS
Master Electrical Component List
Keyless Entry System Description and Operation
Control Module References
Keyless Entry Hood Ajar Switch
Keyless Entry Module Power, Grounds, Antennas, and Switches
GM LAN - Low Speed 2 of 2
GM LAN - Low Speed 1 of 2
Ignition Mode Switch
Automatic Transmission Shift Lock Control Schematics
Figure 4:

Hood Ajar Switch Schematic


Object Number: 1822154  Size: FS
Master Electrical Component List
Keyless Entry System Description and Operation
Control Module References
Keyless Entry DLC, Instrument Panel Cluster (IPC)
G104 (1 of 2)