GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Lighting Systems Component Views
Figure 1:

Body Relay Block
Object Number: 612384 Size: LF
(1)Park Lamp Relay
(2)Courtesy Lamp Relay
(3)Retained Accessory Power (RAP) Relay
(4)Power Seats Circuit Breaker
(5)Power Windows Circuit Breaker
(6)Inadvertent Power Relay
(7)Door Lock Relay
(8)Fog Lamp Relay, Front
(9)Driver Door Unlock Relay
(10)Door Unlock Relay
Figure 2:

Sunroof
Object Number: 406328 Size: LF
(1)Driver Information Display Module, Connector C2
(2)Sunroof Motor and Drive
(3)Sunroof Module, Connector C2
(4)Sunroof Module, Connector C1
(5)C300
(6)Sunroof Module
(7)Driver Information Display Module, Connector C1
(8)Driver Information Display Center
Figure 3:

IP Dimmer Switch w/ Front and Rear Fog Lamps
Object Number: 406315 Size: LF
(1)Rear Fog Lamp Switch Connector
(2)Front Fog Lamp Switch Connector
(3)IP Dimmer Switch Connector
(4)IP Dimmer Switch
(5)Instrument Panel
Figure 4:

IP Dimmer Switch w/ Front Fog Lamps and Headlamp Leveling
Object Number: 406316 Size: LF
(1)Front Fog Lamp Switch Connector
(2)Headlamp Leveling Switch Connector
(3)IP Dimmer Switch Connector
(4)IP Dimmer Switch
(5)Instrument Panel
(6)IP Wiring Harness
Figure 5:

Automatic Transmission Controller
Object Number: 406310 Size: LF
(1)Automatic Transmission Select Lever
(2)Park Brake Warning Switch Connector
(3)Brake Transmission Shift Interlock (BTSI) Connector C1
(4)Automatic Transmission Indicator Lamp Connector C2
(5)Park Brake Lever
(6)Body Wiring Harness
Figure 6:

Hazard Warning Switch
Object Number: 406308 Size: LF
(1)Instrument Panel
(2)Hazard Warning Switch
(3)HVAC Control Panel
(4)Radio
(5)Instrument Panel
Figure 7:

Rear License Lamps
Object Number: 406635 Size: LF
(1)Connector C430
(2)Rear License Lamp Mounting Bracket
(3)RH License Lamp
(4)Center License Lamp
(5)LH License Lamp
(6)S425
(7)S426
(8)Rear License Lamp Wiring Harness
Figure 8:

Forward Lamps Wiring Harness Foglamps (RH Shown, LH Opposite)
Object Number: 354567 Size: MF
(1)Fog Lamp, RH
(2)Fender, RH
Figure 9:

Side Repeater Lamp
Object Number: 407904 Size: LF
(1)Side Repeater Lamp
(2)Side Repeater Lamp Extension Harness Connector
(3)LH Front Fender
Figure 10:

Forward Lamps Wiring Harness
Object Number: 406306 Size: LF
(1)Ambient Air Temperature Sensor (DIDM)
(2)LH Headlamp Connector
(3)Ground G111
(4)Splice Pack SP100
(5)LH Headlamp Connector
(6)Forward Lamps Wiring Harness
(7)LH Turn Signal Lamp
(8)Headlamp Washer Pump Fluid Reservoir
(9)Headlamp Washer Pump Connector
(10)Headlamp Washer Relay
(11)Splice Pack SP101
(12)RH Turn Signal Lamp
(13)RH Headlamp Connectors
(14)Radiator Support
(15)S108
(16)S112
(17)S107
(18)Ground G112
Figure 11:

IP Wiring Harness
Object Number: 406324 Size: LF
(1)Passenger Inflatable Restraint Module
(2)Inflatable Restraint IP Module Connector
(3)IP Compartment Lamp
Figure 12:

IP Wiring Harness Composite View
Object Number: 406299 Size: LF
(1)Remote Control Door Lock Receiver
(2)Instrument Cluster Connector
(3)IP Dimmer Switch Connector
(4)IP Speaker Connector, RH
(5)IP Fuse Block
(6)Door Jamb Switch, RH
(7)C217
(8)Courtesy Lamp, RH Console
(9)Sun Load Temperature Sensor
(10)Body Control Module Connector  C3
(11)C224
(12)C223
(13)Courtesy Lamp, LH Console
(14)C200
(15)C203
(16)Instrument Panel (IP)
(17)IP Compartment Lamp
(18)C201
(19)Ambient Light Sensor Connector
(20)IP Speaker Connector, LH
(21)Electronic Climate Control (ECC) Module Connector
(22)Radio Connector
(23)Duct Air Temperature Sensor
(24)Trasnfer Case Select Switch Connectors  C2 and  C1
(25)Hazard Switch Connector
Figure 13:

Body Harness, Underhood Lamp
Object Number: 406312 Size: LF
(1)Underhood Lamp Harness
(2)Underhood Lamp Connector
(3)Hood
(4)Underhood Lamp Ground
(5)G117
Figure 14:

Inside Rearview Mirror
Object Number: 407895 Size: LF
(1)Sunshade
(2)Dome Lamp Harness
(3)Inside Rearview Mirror Connector
(4)Inside Rearview Mirror
(5)Sunshade Mirror Lamp Connector, LH
Figure 15:

Rear Roof
Object Number: 406337 Size: LF
(1)High Mount Stop Lamp (HMSL)
(2)Cargo Lamp
(3)P900
Figure 16:

Rear Lamp Connections
Object Number: 406332 Size: LF
(1)C403 (LH) and C402 - RH
(2)S419 - LH and S420 - RH
(3)P402 - RH and P403 - LH
(4)Park, Turn Signal, and Backup Lamps - LH Rear, RH Opposite
(5)Rear Fog Lamp
Figure 17:

Manual Transmission Harness View
Object Number: 406298 Size: LF
(1)Manual Transmission
(2)Heated Oxygen Sensor- LF, H02S, Bank 1, Sensor 1
(3)Backup Lamp Switch Connector
(4)C104, Chassis Harness
(5)C104, Engine Harness
(6)C105
(7)Engine Harness
Figure 18:

Ambient Air Temperature Sensor
Object Number: 406305 Size: LF
(1)Radiator Support
(2)Headlamp Washer Pump Relay
(3)Ambient Air Temperature Sensor
(4)Headlamp Washer Pump Relay Connector
(5)Ambient Air Temperature Sensor Connector
(6) Headlamp Washer Pump Connector
(7)Headlamp Washer Fluid Reservoir
(8)Front Bumper
(9)Forward Lamps Wiring Harness
(10)Hood Latch Support
Figure 19:

Rear Frame Location View
Object Number: 357334 Size: LF
(1)Trailer Wiring Provision
(2)Splice Pack SP423
(3)Evaporative (EVAP) Emission Canister Control Valve
(4)C430
(5)Fuel Filler Neck Ground Strap
(6)G402