GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 LeSabre 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Harness Routing Views

Left Front of the Vehicle (Right Side Similar)
Object Number: 342496 Size: MF
(1)LH Front Side Marker Lamp (RH Similar
(2)C122 (LH) C123 (RH)
(3)LH Low Beam Headlamp (RH Similar)
(4)LH High Beam Headlamp (RH Similar)
(5)LH Front Park/Turn Lamp (RH Similar)

Engine Compartment, Left Front Corner
Object Number: 342518 Size: MF
(1)Brake Pressure Modulator Valve (BPMV) Motor Ground
(2)Brake Pressure Modulator Valve (BPMV)
(3)C119
(4)Electronic Brake and Traction Control Module (EBTCM/EBCM)

Engine Compartment, Near the Left Strut Tower
Object Number: 342521 Size: MF
(1)Windshield Washer Pump
(2)Windshield Washer Fluid Reservoir
(3)S128
(4)S124
(5)Windshield Washer Fluid Level Switch

Engine Compartment, Near the Right Strut Tower
Object Number: 342524 Size: MF
(1)S108
(2)Battery
(3)G105

Engine Compartment, Rear
Object Number: 342529 Size: MF
(1)Blower Motor
(2)P101
(3)C101

Engine Compartment, Right Rear Corner
Object Number: 342531 Size: MF
(1)S104
(2)Blower Motor
(3)Blower Motor Resistor, Blower Control Module (Hidden)
(4)Blower Control Module
(5)Blower Motor Resistor
(6)S101
(7)S103
(8)S102

Engine Compartment, Left Rear Corner
Object Number: 342542 Size: MF
(1)P100 (Hidden)
(2)LH Front Strut Tower
(3)LH Front Strut Actuator (RH Similar)

Engine, Front Side
Object Number: 342548 Size: MF
(1)Knock Sensor Bank 1
(2)Starter Solenoid
(3)Engine Oil Level Switch
(4)A/C Pressure Sensor
(5)A/C Compressor Clutch
(6)A/C Compressor Diode
(7)S107
(8)S106

Engine, Rear Top Area (L36)
Object Number: 342564 Size: MF
(1)S114
(2)S126
(3)S110
(4)Evaporative Emissions Canister Purge Valve
(5)S123
(6)S173
(7)S122
(8)S121
(9)S130
(10)C101
(11)Heated Oxygen Sensor (H02S) Bank 2 Sensor 1

Engine, Rear Top Area (L67)
Object Number: 342566 Size: MF
(1)Engine Harness to C101
(2)S130
(3)S122
(4)S123
(5)S126
(6)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

Engine, Right Side (L36)
Object Number: 342579 Size: MF
(1)C107
(2)S135
(3)S136
(4)Crankshaft Position (CKP) Sensor
(5)Camshaft Position (CMP) Sensor (Hidden)
(6)G100 (Hidden)
(7)Ignition Control Module

Engine, Right Front
Object Number: 342511 Size: LF
(1)G100
(2)C107
(3)Camshaft Position (CMP) Sensor
(4)Water Pump

Engine, Right Side (L67 Shown)
Object Number: 342589 Size: MF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)Boost Control Solenoid
(3)C107 (Hidden)
(4)Ignition Control Module
(5)G100 (Hidden)
(6)S135
(7)S136
(8)Crankshaft Position (CKP) Sensor
(9)Camshaft Position (CMP) Sensor (Hidden)

Wheel Opening, Left Front
Object Number: 342595 Size: MF
(1)C120 (LH) C121 (RH)
(2)LH Front Wheel Speed Sensor (RH Similar)
(3)LH Front Disc Brake Rotor (RH Similar)

Passenger Compartment, Behind the Instrument Panel (Pontiac)
Object Number: 342616 Size: MF
(1)S242
(2)S249
(3)S265
(4)S255
(5)S260
(6)S275
(7)S276
(8)C200
(9)S243
(10)Radio
(11)S229
(12)C360
(13)S206
(14)S263
(15)S224
(16)S234
(17)S291
(18)S214
(19)S213
(20)S261
(21)S200
(22)S212
(23)S299

Passenger Compartment, Behind the Instrument Panel (Oldsmobile)
Object Number: 342620 Size: MF
(1)LH Sunload Temperature Sensor
(2)Twilight Sentinel
(3)Headlamp Switch Connector
(4)Traction Control Disable Switch
(5)Interior Lamp Control Module
(6)Ambient Air Temperature Sensor
(7)C200
(8)C304
(9)Valet Switch
(10)S209
(11)S249
(12)S216
(13)Radio
(14)C207
(15 )RH Sun Load Temperature Sensor
(16)IP Compartment Switch
(17)S214
(18)S213
(19)S291
(20)S264
(21)S260

Passenger Compartment, Behind the Instrument Panel (Buick)
Object Number: 342623 Size: LF
(1)S277
(2)S214
(3)S212
(4)S249
(5)S299
(6)S242
(7)S234
(8)C200
(9)S291
(10)C206
(11)IP Compartment Lamp
(12)IP Compartment Lamp Switch
(13)Radio

Passenger Compartment, Behind the Instrument Panel
Object Number: 342625 Size: MF
(1)S239
(2)S244
(3)S246
(4)S252
(5)S241
(6)S202
(7)S279
(8)S201
(9)S283
(10)S284
(11)S281
(12)C101 Breakout
(13)S264
(14)S248
(15)S237
(16)S207
(17)C200 Breakout
(18)S245
(19)S293
(20)Instrument Cluster Breakout
(21)S295
(22)S211
(23)S223
(24)S204
(25)S297
(26)S208
(27)S238

Passenger Compartment, Below the Left Corner of the IP
Object Number: 342628 Size: MF
(1)S227
(2)S254
(3)S289
(4)S288
(5)S218
(6)S225
(7)S298
(8)S290
(9)S292
(10)G202
(11)S210

Passenger Compartment, Below the Steering Column
Object Number: 342635 Size: MF
(1)Inflatable Restraint Steering Wheel Module Coil
(1)Inflatable Restraint Steering Wheel Module Coil
(2)S226
(3)LH IP Sound Insulator
(4)Data Link Connector (DLC)

Passenger Compartment, Below the Left Corner of the IP
Object Number: 342642 Size: MF
(1)S215
(2)S205
(3)S282
(4)S203
(5)Park Brake Switch
(6)Brake Warning Diode
(7)Parking Brake Assembly
(8)IP Fuse Block

Passenger Compartment, Below the Steering Column
Object Number: 342645 Size: MF
(1)Steering Column Support
(2)S219
(3)Starter Enable Relay
(4)S217
(5)C202
(6)S257
(7)S222
(8)S221
(9)S226
(10)S220
(11)S262
(12)S280

Passenger Compartment, Below the Center of the Instrument Panel
Object Number: 342657 Size: MF
(1)Adaptive Lamp Monitor Control Module
(2)S259
(3)S258
(4)S236
(5)S232
(6)S235
(7)To C200
(8)Stoplamp/BTSI Switch
(9)ABS/TCC Switch
(10)S231
(11)S228
(12)S230
(13)S296
(2)

Passenger Compartment, Below the Right Corner of the IP
Object Number: 342667 Size: MF
(1)IP Harness Channel
(2)S271
(3)SP215
(4)S273
(5)S233
(6)C101

Passenger Compartment, Below the Right Corner of the IP
Object Number: 342668 Size: MF
(1)S240
(2)S269
(3)S268
(4)Heater and A/C Programmer

Passenger Compartment, Below the Right Corner of the IP
Object Number: 342676 Size: MF
(1)IP Junction Block
(2)Remote Function Actuator (RFA) Module
(3)S261
(4)S266
(5)S278
(6)S272

Passenger Compartment, Below the Right Corner of the IP
Object Number: 342677 Size: MF
(1)Brake Lamp Driver Module
(2)Perimeter Lighting Relay
(3)Body Control Module (MALL)
(4)S274
(5)S247
(6)S267

Passenger Compartment, Below the Right Corner of the IP
Object Number: 342680 Size: MF
(1)S256
(2)S270
(3)S310
(4)S309
(5)S308
(6)S307
(7)G201
(8)S251
(9)S285

Passenger Compartment, in the Right Front Pillar
Object Number: 342684 Size: MF
(1)C221

Passenger Compartment, in the Left Front Pillar
Object Number: 342689 Size: MF
(1)C205

Passenger Compartment, Under the Front Seats
Object Number: 342701 Size: LF
(1)C345 (Pontiac With AL7) C313 (Oldsmobile)
(2)C303 (Buick, Oldsmobile)
(3)LH Seat Switch (Oldsmobile/Pontiac w/AG1,AG2)
(4)C324 (Buick, Oldsmobile)
(5)Seat Module
(6)C326 (Buick/Oldsmobile) C323 (Pontiac Without AL7) C353 (Pontiac With AL7)
(7)C341
(8)RH Seat Switch (Oldsmobile/Pontiac w/AG1,AG2)

Passenger Compartment, Beneath the Carpet
Object Number: 342703 Size: MF
(1)P403
(2)S415
(3)S315
(4)SP340
(5)SP332

Left Front Door, Behind the Door Trim
Object Number: 342715 Size: MF
(1)S510
(2)P500
(3)S505
(4)S506
(5)C210
(6)C212
(7)S504
(8)S503
(9)S502
(10)Traction Control Switch( if Equipped)
(11)S501
(12)S500
(13)LH Front Power Window Motor (RH Similar)
(14)Power Window Control Module
(15)C502 (LH) C603 (RH)
(16)C503 (LH) C602 (RH)
(17)C501 (LH) C601 (RH)
(18)LH Front Door Jamb Switch (RH Similar)
(19)LH Front Door Lock Actuator (RH Similar)

Left Hand Rear Door, Behind the Door Trim
Object Number: 342718 Size: MF
(1)LH Rear Power Window Motor (RH Similar)
(2)P700 (LH) P800 (RH)
(3)C 701 (LH) C801 (RH)
(4)C702 (LH) C703 (LH) C802 (RH) C803 (RH)
(5)LH Rear Door Jamb Switch (RH Similar)
(6)LH Rear Door Lock Actuator (RH Similar)

Right Front Door, Behind the Door Trim


Object Number: 342720 Size: LF
(1)RH Front Door Speaker Connector (LH Similar)
(2)C602
(3)S601
(4)C216
(5)C209
(6)S600
(7)S603
(8)P600
(9)RH Front Door Speaker (LH Similar)

Rear Compartment, In the Right Front Corner
Object Number: 342726 Size: MF
(1)S408
(2)S410
(3)S409

Passenger Compartment, Rear Package Shelf Area
Object Number: 342710 Size: LF
(1)RH Rear Strut Tower -- LH Similar
(2)RH Rear Strut Actuator -- LH Similar (Pontiac w/FW1)
(3)RH Rear Speaker
(4)LH Rear Speaker
(5)P408
(6)S301
(7)P400

Rear Right Side of the Vehicle, Just Rear of the Right Wheel
Object Number: 342730 Size: MF
(1)C440
(2)P413
(3)Automatic Level Control Compressor
(4)C440
(5)RH Rear Fender

Rear Compartment (Pontiac)
Object Number: 342732 Size: MF
(1)License Lamp
(2)License Lamp
(3)C404
(4)S429, S430
(5)Inflator Switch
(6)C405
(7)S431 S432
(8)C401

Rear Compartment (Buick Shown, Pontiac and Oldsmobile Similar)
Object Number: 342734 Size: MF
(1)S419
(2)G402
(3)RH Rear Side Marker Lamp
(4)LH Rear Side Marker Lamp

Rear Compartment (Buick)
Object Number: 342735 Size: MF
(1)C430
(2)LH Rear Side Marker Lamp
(3)RH Rear Side Marker Lamp
(4)C431

Rear Compartment (Oldsmobile)
Object Number: 342737 Size: MF
(1)C402
(2)C401
(3)G402
(4)C400
(5)S416, S417
(6)S400

Rear Compartment (Pontiac)
Object Number: 342739 Size: MF
(1)S400, S424, S425
(2)G402
(3)P404
(4)License Lamps
(5)S422, S423

Rear Compartment (Buick)
Object Number: 342740 Size: MF
(1)C410
(2)C411

Under the Vehicle, Near the Rear Suspension
Object Number: 387827 Size: LF
(1)Fuel Tank Unit
(2)P403
(3)Fuel Tank Pressure Sensor
(4)C415

Rear of the Vehicle, Behind the Fascia (Oldsmobile)
Object Number: 342742 Size: MF
(1)LH License Lamp
(2)LH Rear Side Marker Lamp
(3)S433
(4)S404, S406
(5)C401
(6)P404
(7)RH Rear Side Marker Lamp
(8)RH License Lamp

Rear Compartment Lid (Pontiac)
Object Number: 342746 Size: MF
(1)P405
(2)Rear Compartment Lid Latch Switch
(3)Rear Compartment Lid Release Solenoid

Rear Compartment Lid (Buick)
Object Number: 342748 Size: MF
(1)LH License Lamp
(2)RH License Lamp
(3)Rear Compartment Lid Release Solenoid
(4)S400
(5)S414
(6)P405
(7)Rear Compartment Lid Latch Switch
(8)C430

Rear Compartment Lid (Oldsmobile)
Object Number: 342749 Size: MF
(1)Rear Compartment Lid Latch Switch
(2)P405
(3)Rear Compartment Lid Release Solenoid
(4)C430