GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Heater and A/C Programmer C1

Under the instrument panel (IP), near the rear of the IP compartment

HVAC Component Views in HVAC - Automatic

HVAC Connector End Views in HVAC - Automatic

IP Fuse Block

In the left side of the passenger compartment, attached to the door hinge pillar

Power and Grounding Component Views in Wiring Systems

--

LH Heated Seat Back

Left front of the passenger compartment, in the front seat back

--

--

LH Heated Seat Cushion

Left front of the passenger compartment, in the front seat cushion

--

--

LH Heated Seat Module

Left front of the passenger compartment, under the left front seat

Power Seat Component Views

Power Seat Connector End Views

LH Lumbar Motor (Buick)

Left front of the passenger compartment, under the left front seat

--

--

LH Lumbar Switch (Buick)

Left front of the passenger compartment, on the left side of the front seat

--

--

LH Seat Front Vertical Motor

Left front of the passenger compartment, under the left front seat

Power Seat Component Views

--

LH Seat Horizontal Motor

Left front of the passenger compartment, under the left front seat

Power Seat Component Views

--

LH Seat/Lock Switch (Oldsmobile)

Center of the left front door, on the door trim panel

--

Power Seat Connector End Views

LH Seat Rear Vertical Motor

Left front of the passenger compartment, under the left front seat

--

--

LH Seat Recline Motor

Left front of the passenger compartment, under the left front seat

--

--

LH Seat Switch (Buick)

Left front of the passenger compartment, on the left of the front seat

--

--

LH Seat Switch (Oldsmobile)

Center of the left front door

--

Power Seat Connector End Views

Lumbar Seat Module (Oldsmobile)

Left front of the passenger compartment, under the left front seat

--

--

Memory Seat/Mirror Diagnostic Connector

At the left front of the passenger compartment, under the left front seat

Power Seat Component Views

--

Memory Seat/Mirror Module C1

Left front of the passenger compartment, under the left front seat

Power Seat Component Views

Power Seat Connector End Views

Park/Neutral Position (PNP) Switch (Buick)

On the left side of the transaxle, below the exhaust gas recirculation valve

Engine Controls Component Views in Engine Controls-3.8L

Engine Controls Connector End Views in Engine Controls-3.8L

Park/Neutral Position (PNP) Switch (Oldsmobile)

The body harness to the park/neutral switch harness, to the left center of the engine compartment

--

Engine Controls Connector End Views in Engine Controls-4.0L, 4.6L

Power Mirror Switch

Center of the left front door, near the arm rest

--

--

Recline Position Sensor

In the left front of the passenger compartment, under the left front seat

Power Seat Component Views

--

RH Heated Seat Back

Right front of the passenger compartment, in the front seat back

--

--

RH Heated Seat Cushion

Right front of the passenger compartment, in the front seat cushion

--

--

RH Heated Seat Module

Right front of the passenger compartment, under the right front seat

--

Power Seat Connector End Views

RH Lumbar Motor (Buick)

Right front of the passenger compartment, under the right front seat

--

--

RH Lumbar Switch (Buick)

Right front of the passenger compartment, on the right side of the front seat

--

--

RH Rear Fuse Block

Right rear of the passenger compartment, under the rear seat cushion

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

--

RH Seat Front Vertical Motor

Right front of the passenger compartment, under the right front seat

Power Seat Component Views

--

RH Seat Horizontal Motor

Right front of the passenger compartment, under the right front seat

Power Seat Component Views

--

RH Seat/Lock Switch

Center of the right front door, on the door trim panel

--

--

RH Seat Rear Vertical Motor

Right front of the passenger compartment, under the right front seat

--

 

RH Seat Recline Motor

Right front of the passenger compartment, under the right front seat

--

--

RH Seat Switch (Buick)

Right front of the passenger compartment, on the right side of the front seat

--

--

RH Seat Switch (Oldsmobile)

Center of the right front door, on the door trim panel

--

Power Seat Connector End Views

Seat Front Vertical Position Sensor

Left front of the passenger compartment, under the left front seat

Power Seat Component Views

 

Seat Horizontal Position Sensor

In the left front of the passenger compartment, under the left front seat

Power Seat Component Views

--

Seat Rear Vertical Position Sensor

On the left front side of the passenger compartment, under the left front seat

--

--

C114 (7 cavities)

Body harness to the park/neutral switch harness, left center of the engine compartment

--

--

C301 (23 cavities)

Body harness to the left seat harness, under the left front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (23 cavities)

Body harness to the right seat harness, under the right front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C306 (2 cavities)

Left front of the passenger compartment, under the left front seat

--

--

C307 (2 cavities)

Right front of the passenger compartment, under the right front seat

--

--

G201

Right front of the passenger compartment, under the kick panel trim plate

Power and Grounding Component Views in Wiring Systems

--

G202

Left front of the passenger compartment, under the kick panel trim plate

Power and Grounding Component Views in Wiring Systems

--

P100

Left rear of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

--

P500

Front of the left front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

--

P600

Front of the right front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

--

S211

In the body harness, approximately 35.5 cm (14.0 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

--

S212

In the body harness, approximately 7 cm (2.8 in) from the P600 pass-though

Harness Routing Views in Wiring Systems

--

S227

In the body harness, approximately 17.5 cm (6.9 in) from the P100 pass-through

Harness Routing Views in Wiring Systems

--

S258

In the body harness, approximately 32 cm (12.6 in) from the park brake switch

Harness Routing Views in Wiring Systems

--

S259

In the body harness, approximately 160.5 cm (63.2 in) from the powertrain control module

Harness Routing Views in Wiring Systems

--

S290

In the body harness, approximately 73 cm (28.7 in) from the P100 pass-through

Harness Routing Views in Wiring Systems

--

S304

In the left seat harness, near the C301 connector

--

--

S305

In the right seat harness, near the C305 connector

--

--

S306

In the left seat harness, near the C301 connector

--

--

S307

In the right seat harness, near the C305 connector

--

--

S310

In the left seat harness, near the C301 connector

Harness Routing Views in Wiring Systems

--

S323

In the body harness, approximately 53.5 cm (21.1 in) from the C301 connector

Harness Routing Views in Wiring Systems

--

S324

In the left seat harness, approximately 30 cm (11.8 in) from the C301 connector

--

--

S331

In the body harness, approximately 43.5 cm (17.1 in) from the G202 ground

Harness Routing Views in Wiring Systems

--

S332

In the left seat harness, approximately 17.5 cm (6.9 in) from the C301 connector

Harness Routing Views in Wiring Systems

--

S337

In the body harness, approximately 65.5 cm (25.7 in) from the G302 ground

Harness Routing Views in Wiring Systems

--

S339

In the body harness, approximately 45 cm (17.7 in) from G302

Harness Routing Views in Wiring Systems

--

S362

In the body harness, approximately 43.5 cm (17.1 in) from G302

Harness Routing Views in Wiring Systems

--

S365

In the body harness, approximately 126 cm (49.6 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

--

S423

In the body harness, approximately 43.5 cm (17 in) from the high mounted stop lamp

Harness Routing Views in Wiring Systems

--