Harness Routing Views. Oldsmobile Eighty Eight 1999

For 1990-2009 cars only

Makes 🢒 Oldsmobile 🢒 1999 🢒 Eighty Eight 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Harness Routing Views

Figure 1:

Front of the Vehicle, Left Side (Right Similar)


(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)

Figure 2:

Engine Compartment, Left Front Corner


(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)

Figure 3:

Engine Compartment, Near the Left Strut Tower


(1)	Windshield Washer Pump
(2)	Windshield Washer Solvent Reservoir
(3)	S128
(4)	S124
(5)	Windshield Washer Solvent Level Switch

Figure 4:

Engine Compartment, Near the Right Strut Tower


(1)	S108
(2)	Battery
(3)	G105

Figure 5:

Engine Compartment, Rear


(1)	Blower Motor
(2)	P101
(3)	C101

Figure 6:

Engine Compartment, Right Rear Corner


(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

Figure 7:

Engine Compartment, Left Rear Corner


(1)	P100 (Hidden)
(2)	LH Front Strut Tower
(3)	LH Front Strut Actuator (RH Similar)

Figure 8:

Engine, Front Side


(1)	Knock Sensor Bank 1
(2)	Starter Solenoid
(3)	Engine Oil Level Switch
(4)	A/C Pressure Sensor
(5)	A/C Clutch
(6)	A/C Clutch Diode
(7)	S107
(8)	S106

Figure 9:

Engine, Rear Top Area (L36)


(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

Figure 10:

Engine, Rear Top Area (L67)


(1)	Engine Harness to C101
(2)	S130
(3)	S122
(4)	S123
(5)	S126
(6)	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

Figure 11:

Engine, Right Side (L36)


(1)	C107
(2)	S135
(3)	S136
(4)	Crankshaft Position (CKP) Sensor
(5)	Camshaft Position (CMP) Sensor (Hidden)
(6)	G100 (Hidden)
(7)	Ignition Control Module

Figure 12:

Engine, Right Front


(1)	G100
(2)	C107
(3)	Camshaft Position (CMP) Sensor
(4)	Water Pump

Figure 13:

Engine, Right Side (L67 Shown)


(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)

Figure 14:

Wheel Opening, Left Front


(1)	C120 (LH) C121 (RH)
(2)	LH Front Wheel Speed Sensor (RH Similar)
(3)	LH Front Disc Brake Rotor (RH Similar)

Figure 15:

Passenger Compartment, Behind the Instrument Panel (Pontiac)


(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

Figure 16:

Passenger Compartment, Behind the Instrument Panel (Oldsmobile)


(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

Figure 17:

Passenger Compartment, Behind the Instrument Panel (Buick)


(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

Figure 18:

Passenger Compartment, Behind the Instrument Panel


(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

Figure 19:

Passenger Compartment, Below the Left Corner of the IP


(1)	S227
(2)	S254
(3)	S289
(4)	S288
(5)	S218
(6)	S225
(7)	S298
(8)	S290
(9)	S292
(10)	G202
(11)	S210

Figure 20:

Passenger Compartment, Below the Steering Column


(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)

Figure 21:

Passenger Compartment, Below the Left Corner of the IP


(1)	S215
(2)	S205
(3)	S282
(4)	S203
(5)	Park Brake Switch
(6)	Brake Warning Diode
(7)	Parking Brake Assembly
(8)	IP Fuse Block

Figure 22:

Passenger Compartment, Below the Steering Column


(1)	Steering Column Support
(2)	S219
(3)	Theft Deterrent Relay
(4)	S217
(5)	C202
(6)	S257
(7)	S222
(8)	S221
(9)	S226
(10)	S220
(11)	S262
(12)	S280

Figure 23:

Passenger Compartment, Below the Center of the Instrument Panel


(1)	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)

Figure 24:

Passenger Compartment, Below the Right Corner of the IP


(1)	IP Harness Channel
(2)	S271
(3)	SP215
(4)	S273
(5)	S233
(6)	C101

Figure 25:

Passenger Compartment, Below the Right Corner of the IP


(1)	S240
(2)	S269
(3)	S268
(4)	Heater and A/C Programmer

Figure 26:

Passenger Compartment, Below the Right Corner of the IP


(1)	RH IP Fuse Block
(2)	Remote Function Actuator (RFA) Module
(3)	S261
(4)	S266
(5)	S278
(6)	S272

Figure 27:

Passenger Compartment, Below the Right Corner of the IP


(1)	Brake Lamp Driver Module
(2)	Perimeter Lighting Relay
(3)	Body Control Module (MALL)
(4)	S274
(5)	S247
(6)	S267

Figure 28:

Passenger Compartment, Below the Right Corner of the IP


(1)	S256
(2)	S270
(3)	S310
(4)	S309
(5)	S308
(6)	S307
(7)	G201
(8)	S251
(9)	S285

Figure 29:

Passenger Compartment, in the Right Front Pillar


(1)	C221

Figure 30:

Passenger Compartment, in the Left Front Pillar


(1)	C205

Figure 31:

Passenger Compartment, Under the Front Seats


(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)

Figure 32:

Passenger Compartment, Beneath the Carpet


(1)	P403
(2)	S415
(3)	S315
(4)	SP340
(5)	SP332

Figure 33:

Left Front Door, Behind the Door Trim


(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 Lock Actuator C2 (RH Similar)
(19)	LH Front Door Lock Actuator C1 (RH Similar)

Figure 34:

Left Hand Rear Door, Behind the Door Trim


(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 Lock Actuator C2 (RH Similar)
(6)	LH Rear Door Lock Actuator C1 (RH Similar)

Figure 35:

Right Front Door, Behind the Door Trim


(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)

Figure 36:

Rear Compartment, In the Right Front Corner


(1)	S408
(2)	S410
(3)	S409

Figure 37:

Passenger Compartment, Rear Package Shelf Area


(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

Figure 38:

Rear Right Side of the Vehicle, Just Rear of the Right Wheel


(1)	C440
(2)	P413
(3)	Automatic Level Control
(4)	C440
(5)	RH Rear Fender

Figure 39:

Rear Compartment (Pontiac)


(1)	License Lamp
(2)	License Lamp
(3)	C404
(4)	S429, S430
(5)	Inflator Switch
(6)	C405
(7)	S431 S432
(8)	C401

Figure 40:

Rear Compartment (Buick Shown, Pontiac and Oldsmobile Similar)


(1)	S419
(2)	G402
(3)	RH Rear Side Marker Lamp
(4)	LH Rear Side Marker Lamp

Figure 41:

Rear Compartment (Buick)


(1)	C430
(2)	LH Rear Side Marker Lamp
(3)	RH Rear Side Marker Lamp
(4)	C431

Figure 42:

Rear Compartment (Oldsmobile)


(1)	C402
(2)	C401
(3)	G402
(4)	C400
(5)	S416, S417
(6)	S400

Figure 43:

Rear Compartment (Pontiac)


(1)	S400, S424, S425
(2)	G402
(3)	P404
(4)	License Lamps
(5)	S422, S423

Figure 44:

Rear Compartment (Buick)


(1)	C410
(2)	C411

Figure 45:

Under the Vehicle, Near the Rear Suspension


(1)	Fuel Sender
(2)	P403
(3)	Fuel Tank Pressure Sensor
(4)	C415

Figure 46:

Rear of the Vehicle, Behind the Fascia (Oldsmobile)


(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

Figure 47:

Rear Compartment Lid (Pontiac)


(1)	P405
(2)	Rear Compartment Lid Latch Switch
(3)	Rear Compartment Lid Release Solenoid

Figure 48:

Rear Compartment Lid (Buick)


(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

Figure 49:

Rear Compartment Lid (Oldsmobile)


(1)	Rear Compartment Lid Latch Switch
(2)	P405
(3)	Rear Compartment Lid Release Solenoid
(4)	C430