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

Front and Rear View of Fuse Block


Object Number: 237330  Size: LF
(1)Fuse Input
(2)Fuse Output
(3)Fuse Input
(4)Fuse Output
Figure 2:

Engine Compartment Relay Center


Object Number: 409294  Size: LF
(1)Additional Harness
(2)Fuse #40 (30A)
(3)Fuse #52 (30A)
(4)ECM Ground
(5)Connector C110
(6)Coolant Fan Test Connector
(7)ECM Module
(8)ECM Connector C1
(9)A Fuse #42 (40A) B Fuse #49 (50A)
(10)Fan Control Relay (Orange)
(11)Fuel Pump Relay (Violet)
(12)P108
(13)Additional Harness to Battery
(14)Instrument Panel Wiring Harness
(15)P104
(16)I/P Harness
(17)Fuse #43
(18)Engine Controls Power Relay (Violet)
(19)Fan Control Relay (Brown)
(20)Fuse #50 (For Fan Control & W/W Motor Relays)
(21)Fan Control Relay (Gray)
(22)Fan Control Relay (Green)
(23)A/C Compressor Relay (Green)
(24)Windshield Wiper Motor Relay (Yellow)
(25)Auxiliary Water Pump Relay (White)
(26)Fan Control Relay (Blue)
(27)Secondary Air Injection Pump Relay (Brown)
Figure 3:

Front View of Relay Box


Object Number: 237348  Size: LF
(1)I Daytime Running Lamp Relay K133
(2)II Rear Suspension Leveling Air Compressor Relay K19
(3)VII Park Lamp Relay K130
(4)VIII Low Beam Relay K131
(5)IX Not Used
(6)X Not Used
(7)XI LH High Beam Headlamp Relay K73
(8)VI Horn Relay K63
(9)V RH High Beam Headlamp Relay K132
(10)IV Turn Signal Lamp Flasher K10
(11)III Heated Outside Rear View Mirror and Rear Window Defogger Relay K35
Figure 4:

Lower LH A-Pillar and Lower LH Front of Engine


Object Number: 241220  Size: LF
(1)Inline Connector C500
(2)P103
(3)Ground G200
(4)Telephone Antenna Connector
(5)Negative Battery Cable
(6)Ground G100
(7)Inline Connector C200
Figure 5:

Relay Box


Object Number: 241224  Size: LF
(1)Relay Box
(2)Park Lamp Relay K130
(3)Low Beam Relay K131
(4)Not Used
(5)Not Used
(6)LH Hi Beam Headlamp Relay K73
(7)Turn Signal Lamp Flasher K10
(8)Horn Relay K63
(9)Passenger Seat Heater Relay K56
(10)Driver Seat Heater Relay K55
(11)Power Steering Control Module
(12)Multifunction Relay K134
(13)RH Hi Beam Headlamp Relay K132
(14)Heated Outside Rear View Mirror and Rear Window Defogger Relay K35
(15)Daytime Running Lamps Relay K133
(16)Rear Suspension Leveling Air Compressor Relay K19
Figure 6:

Power Distribution Fuse Block


Object Number: 410055  Size: LF
(1)Body Wiring Harness
(2)Positive Battery Cable
(3)Instrument Panel Wiring Harness
(4)Power Distribution Fuse Block
(5)Fuse V6 (80A)
(6)Fuse V5 (80A)
(7)Fuse V4 (80A)
(8)Fuse V1 (80A)