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

Exterior Lamps Switch and Relays


Object Number: 778163  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Hazard Flasher, Stop Lamps Switch - JE5
Splice Pack 2
G105, S346, S347, S348, S363
Instrument Panel Lighting
Instrument Panel Lighting
G105, S325, S328
Clearance, Identification, and Marker Lamps
Trailer Wiring
Lighted Mirrors
Clearance, Identification, and Marker Lamps
Clearance, Identification, and Marker Lamps
Clearance, Identification, and Marker Lamps
Trailer Wiring
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Figure 2:

Hazard Flasher, Stop Lamps Switch-JE5


Object Number: 778166  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Hazard Flasher, Stop Lamps Switch - JE5
Exterior Lamps Switch and Relays
G105, S346, S347, S348, S363
G105, S346, S347, S348, S363
Fuse Block 2, 2-SPEED AXLE, HVAC, TURN SIGNAL, IGNITION, HYD ABS MODULE, AIR ABS RELAY, AIR ABS TRAILER RELAY Fuses
G105, S324, S326, S500
Engine Data Sensors - Glow Plug Controls and Engine Shutdown System
Trailer Wiring
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Trailer Wiring
Trailer Stop Relay, ABS Relay
Figure 3:

Hazard Flasher, Stop Lamps Switch-JE3


Object Number: 778167  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Front and Rear Lighting, IP Indicators
Hazard Flasher, Stop Lamps Switch - JE5
G105, S346, S347, S348, S363
G105, S324, S326, S500
Fuse Block 2, 2-SPEED AXLE, HVAC, TURN SIGNAL, IGNITION, HYD ABS MODULE, AIR ABS RELAY, AIR ABS TRAILER RELAY Fuses
G105, S346, S347, S348, S363
Engine Data Sensors - Glow Plug Controls and Engine Shutdown System
IP Fuse Block, Circuit Breakers 22, 23, 24, 25, 26
Trailer Wiring
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Front and Rear Lighting, IP Indicators
Trailer Wiring
Trailer Stop Relay, ABS Relay
Figure 4:

Front and Rear Lighting, IP Indicators


Object Number: 778169  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Trailer Stop Relay, ABS Relay
Hazard Flasher, Stop Lamps Switch - JE5
Hazard Flasher, Stop Lamps Switch - JE5
Exterior Lamps Switch and Relays
Hazard Flasher, Stop Lamps Switch - JE5
Hazard Flasher, Stop Lamps Switch - JE5
Trailer Stop Relay, ABS Relay
Exterior Lamps Switch and Relays
Hazard Flasher, Stop Lamps Switch - JE5
Hazard Flasher, Stop Lamps Switch - JE5
Hazard Flasher, Stop Lamps Switch - JE5
G107, S101, S103, S105
G107, S101, S103, S105
G404, G405, G406, S402, S415, S416, S421, S422, S702
G 407, Splice Pack 3, S120, S121, S122, S150, S242, S361
Figure 5:

Trailer Stop Relay, ABS Relay


Object Number: 778171  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Clearance, Identification, and Marker Lamps
Front and Rear Lighting, IP Indicators
Hazard Flasher, Stop Lamps Switch - JE5
Hazard Flasher, Stop Lamps Switch - JE5
Trailer Wiring
Trailer Wiring
Front and Rear Lighting, IP Indicators
Trailer Wiring
Fuse Block 2, 2-SPEED AXLE, HVAC, TURN SIGNAL, IGNITION, HYD ABS MODULE, AIR ABS RELAY, AIR ABS TRAILER RELAY Fuses
G107, S101, S103, S105
G107, S101, S103, S105
G107, S101, S103, S105
G107, S101, S103, S105
Fuse Block 2, 2-SPEED AXLE, HVAC, TURN SIGNAL, IGNITION, HYD ABS MODULE, AIR ABS RELAY, AIR ABS TRAILER RELAY Fuses
Fuse Block 2, 2-SPEED AXLE, HVAC, TURN SIGNAL, IGNITION, HYD ABS MODULE, AIR ABS RELAY, AIR ABS TRAILER RELAY Fuses
IP Fuse Block, Circuit Breaker 9, Page 2 of 2
IP Fuse Block Circuit Breaker 9, Page 1 of 2
G107, S101, S103, S105
G107, S101, S103, S105
Power and Ground
Figure 6:

Clearance, Identification, and Marker Lamps


Object Number: 778174  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Lighted Mirrors
Trailer Stop Relay, ABS Relay
Exterior Lamps Switch and Relays
Exterior Lamps Switch and Relays
Exterior Lamps Switch and Relays
G105, S346, S347, S348, S363
G105, S346, S347, S348, S363
G105, S330, S345, S349, S359, S360, S600
G105, S324, S326, S500
G105, S324, S326, S500
G105, S325, S328
Figure 7:

Lighted Mirrors


Object Number: 778196  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Trailer Wiring
Clearance, Identification, and Marker Lamps
Exterior Lamps Switch and Relays
Instrument Panel Lighting
Heated Outside Mirrors
G105, S324, S326, S500
G105, S346, S347, S348, S363
Figure 8:

Trailer Wiring


Object Number: 778199  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Lighted Mirrors
Hazard Flasher, Stop Lamps Switch - JE5
Hazard Flasher, Stop Lamps Switch - JE5
Trailer Stop Relay, ABS Relay
Trailer Stop Relay, ABS Relay
Exterior Lamps Switch and Relays
Exterior Lamps Switch and Relays