GM Service Manual Online
For 1990-2009 cars only

F Car (VIN P) Component Locator

Name

Location

Locator View

Connector End View

Group No.

A/C Evaporator Temperature Sensor

In the evaporator core

--

--

--

A/C Refrigerant Low Pressure Sensor

Above the RH shock tower, in front of the A/C compressor LOW PRESSURE cutoff switch

35

--

--

Automatic Transmission Connector

At the center RH of the transmission

58

--

--

Battery

At the front RH of the engine compartment

35

--

--

Battery Junction Block

On the top of the RH shock tower

19

--

--

Body Control Module (BCM)

On the HVAC module, above the RH I/P insulator panel

41

--

--

Brake Switch

In the lower hole of the brake pedal bracket (2 connectors with A/T, 1 connector with M/T, the same switch for both transmissions)

1

--

--

Brake Transmission Shift Interlock (BTSI) Solenoid

In the console, under the PRNDL display

42

--

--

Clutch Pedal Position Switch

On the clutch pedal bracket, behind the convenience center

1

--

--

Coolant Fans

Behind the radiator

--

--

--

Crankshaft Position (CKP) Sensor

At the lower front cover of the engine

57

--

--

Cruise Control Module (CCM)

At the front LH frame rail, in front of the wheelhouse

--

--

--

Data Link Connector (DLC)

On the I/P tie bar, below the RH of the steering column

--

--

--

Distributor

At the front center of the engine, behind water pump

74

--

--

Electronic Brake/Traction Control Module (EBTCM)

Under the I/P, next to the LH hinge pillar, above the pass thru grommet

14

--

--

Engine Coolant Temperature (ECT) Sensor

At the front of the engine, on the water pump

45

--

--

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

At the center RH of the engine, on the intake manifold

50

--

--

Evaporative Emission (EVAP) Canister Purge Vacuum Switch

At the top center RH of the intake manifold

--

--

--

Exhaust Gas Recirculation (EGR) Solenoid Valve

At the rear LH of the engine, on the intake manifold

44

--

--

Fuel Injectors (1-8)

On the intake manifold, part of the fuel rail

44, 50

--

--

Fuel Pump Prime Connector

At the top rear of the RH shock tower, (1 way connector out of the harness)

28

--

--

Fuel Pump Relay

In front of the LH kick panel, near the footrest bracket, under the carpet

13

--

--

Fuel Tank Unit

Under the rear of the vehicle

--

--

--

Fusible Links

Above the RH shock tower, in the battery junction block

19

--

--

Generator

At the front RH of the engine

26

--

-

Heated Oxygen Sensor (HO2S) #1, Bank 1

At the LH exhaust manifold

44

--

--

Heated Oxygen Sensor (HO2S) #2, Bank 1

At the LH catalytic converter

--

--

--

Heated Oxygen Sensor (HO2S) #1, Bank 2

At the RH exhaust manifold

72

--

--

Heated Oxygen Sensor (HO2S) #2, Bank 2

At the RH catalytic converter

--

--

--

Idle Air Control (IAC) Valve

At the front RH of the throttle body

27

--

--

Ignition Coil

At the front LH of the engine

29

--

--

Ignition Coil Module

At the front LH of the engine

29

--

--

Ignition Switch

Part of the steering column

5, 64

--

--

Instrument Cluster

At the LH of the I/P

--

--

--

Intake Air Temperature (IAT) Sensor

On the air duct, in front of the intake manifold

45

--

--

I/P Fuse Block

At the LH of the I/P carrier

15

--

--

Isolation Diode (BTSI)

Sealed in the harness, about 6 cm from the inflatable restraint SDM breakout

--

--

--

Knock Sensor

At the bottom RH of the engine block

72

--

--

Manifold Absolute Pressure (MAP) Sensor

On the RH of the intake manifold

50

--

--

Mass Air Flow (MAF) Sensor

On the air duct, in front of the intake manifold

45

--

--

Powertrain Control Module (PCM)

In the engine compartment, behind the RH shock tower

35

--

--

PRNDL Illumination Lamp

Under the LH of the console

81

--

--

Radio

In the center of the I/P

--

--

--

Reverse Lockout Solenoid (M/T)

At the rear LH of the transmission

51

--

--

Secondary Air Injection Bleed Solenoid Valve

At the front LH of the engine, in front of the secondary air injection pump

21

--

--

Secondary Air Injection Pump

At the front LH frame rail, in the engine compartment

--

--

--

Secondary Air Pump Relay

At the underhood electrical center, location E

36

--

--

Skip Shift Solenoid (M/T)

At the center LH of the transmission

51

--

--

Starter Motor

At the bottom RH of the engine

52, 72

--

--

Starter Solenoid

On the starter motor

72

--

--

Theft Deterrent Relay

On the lower RH of the I/P

41

--

--

Throttle Position (TP) Sensor

On the right side of the throttle body

27

--

--

Transmission Range Switch

Under the console, on the base of the shift control lever

42

--

--

Underhood Electrical Center

At the LH of the engine compartment, in front of the wheelhouse

36

--

--

Vehicle Speed Sensor (VSS)

At the rear LH of the transmission

49 (A/T), 54 (M/T)

--

--

C100 (10 Cavities)

On the engine to forward lamp harness, near the rear RH of the wheelhouse, on the PCM bracket

28

--

--

C105 (8 Cavities)

On the engine to forward lamp harness, near the rear RH of the wheelhouse, on the PCM bracket

28

--

--

C140 (4 Cavities)

On the engine to distributor jumper harness, at the RH of the intake plenum, on the EVAP canister purge solenoid valve

50

--

--

C200A (17 Cavities)

On the forward lamp to I/P harness, part of the forward lamp harness, between the LH kick panel and the steering column

49

--

--

C200B (18 Cavities)

On the forward lamp to I/P harness, between the LH kick panel and the steering column

49

--

--

C200D (48 Cavities)

Part of the I/P harness, between the LH kick panel and the steering column

49

--

--

C210 (4 Cavities)

On the I/P to engine harness, under the RH of the I/P, behind the kick panel

37

--

--

C220 (10 Cavities)

On the I/P to engine harness, under the RH of the I/P, behind the kick panel

37

--

--

C230 (10 Cavities)

On the I/P to engine harness, under the RH of the I/P, behind the kick panel

37

--

--

C405A (4 Cavities)

On the fuel tank pigtail to I/P harness, part of the pass thru connector, in front of the rear axle, toward the fuel tank

9

--

--

C405B (10 Cavities)

On the I/P harness, part of the pass thru connector, in front of the rear axle, toward the pass thru tunnel

9

--

--

G100

On the RH of the engine block (the same bolt used for the A/C compressor, if equipped)

68

--

--

G101

On top of the RH shock tower

19

--

--

G106

At the top LH of the radiator, on the T-bar

35

--

--

G110

At the lower RH of the engine block, just above the starter motor (1 ring, 1 wire)

72

--

--

G111

At the front of the LH cylinder head (3 rings, 3 wires, 1 braided strap)

29

--

--

G200

Near the base of the LH A pillar, on the I/P mounting stud, behind the kick panel

16

--

--

G305

On the LH rocker panel, at the floor pan bar #3

11

--

--

P100

In the LH of the I/P, in the engine to passenger compartment

36

--

--

P110

In the RH of the I/P, in the engine to passenger compartment

35

--

--

S101

In the engine harness, about 4 cm from the fuel injector #6 breakout

--

--

--

S102 (1996 Only)

In the engine harness, about 13 cm from the fuel injector #3 breakout

--

--

--

S103 (1996 Only)

In the engine harness, about 10 cm from the transmission breakout

--

--

--

S104 (1996 Only)

In the engine harness, about 22 cm from the transmission breakout

--

--

--

S106 (1996 Only)

In the engine harness, about 4 cm from the main branch, in the PCM breakout

--

--

--

S107

In the engine harness, about 13 cm from the fuel injector #3 breakout

--

--

--

S108 (1996 Only)

In the engine harness, about 5 cm from the fuel injector #5 breakout

--

--

--

S110 (1996 Only)

In the engine harness, about 4 cm from the PCM breakout

--

--

--

S113 (1996 Only)

In the forward lamp harness, about 13 cm from the underhood electrical center breakout

--

--

--

S114

In the engine harness, about 33 cm behind the A/C compressor clutch connector

--

--

--

S115

In the engine harness, about 28 cm behind the A/C compressor clutch connector

--

--

--

S117 (1996 Only)

In the engine harness, about 15 cm from the PCM breakout

--

--

--

S119 (1996 Only)

In the engine harness main branch, about 18 cm from the transmission breakout

--

--

--

S122 (1996 Only)

In the engine harness, about 14 cm from the transmission breakout

--

--

--

S127

In the engine harness, about 4 cm behind the transmission breakout

--

--

--

S132 (1996 Only)

In the engine harness, about 19 cm from the main branch, in the PCM breakout

--

--

--

S165

In the forward lamp harness, the main branch about 8 cm from the brake switch breakout

--

--

--

S166

In the forward lamp harness, about 4 cm from the transmission breakout

--

--

--

S167

In the forward lamp harness, about 5 cm from the brake pressure modulator breakout

--

--

--

S177

In the forward lamp harness, about 10 cm from the main branch, in the electrical center breakout

--

--

--

S189

In the forward lamp harness, about 5 cm from the main branch, in the secondary air injection pump motor breakout

--

--

--

S190

In the forward lamp harness, about 2 cm from the WSWA pump motor breakout

--

--

--

S200

On the forward lamp harness, about 35 cm behind the ignition start switch connector

--

--

--

S206 (1996 Only)

In the I/P harness, about 11 cm from the horn relay breakout (PONT) or from the instrument cluster breakout (CHEVY)

--

--

--

S207

In the I/P harness, the main branch, about 8 cm from the brake pressure switch breakout

--

--

--

S215

In the I/P harness, the main branch about 11 cm from the theft deterrent security LED breakout

--

--

--

S216

In the I/P harness, the main branch about 5 cm from the instrument cluster breakout (PONT) or from the rear window DEFOG switch breakout (CHEVY)

--

--

--

S223

On the I/P harness, the main branch about 4 cm from the inflatable restraint SDM breakout

--

--

--

S225

In the I/P harness, about 10 cm from the main branch, in the inflatable restraint SDM breakout

--

--

--

S234 (A/T)

In the I/P harness, the main branch about 16 cm from the theft deterrent relay breakout

--

--

--

S237 (1996 Only)

In the I/P harness, about 6 cm from the BCM breakout

--

--

--

S239 (1996 Only)

In the I/P harness, about 1 cm from the BCM breakout

--

--

--

S240

In the I/P harness, the main branch about 17 cm from the antenna cable breakout

--

--

--

S242

In the I/P harness, about 18 cm from the convenience center breakout (PONT) or from the headlamp switch breakout (CHEVY)

--

--

--

S270 (1996 Only)

In the forward lamp harness, about 14 cm from the main branch, in the EBTCM breakout

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