GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 1999 🢒 Unit Repair 🢒 Engine 🢒 Engine Controls - 6.5L 🢒 Engine Controls Connector End Views
Table 1: Boost Pressure Sensor (Diesel)
Table 2: Manifold Absolute Pressure (MAP) Sensor (Diesel L56)
Table 3: Air Temperature Sensor
Table 4: Coolant Temperature Sensor
Table 5: Injection Timing Stepper Motor
Table 6: Fuel Solenoid Driver
Table 7: Engine Shutoff Solenoid
Table 8: Wastegate Solenoid
Table 9: EGR Solenoid (Diesel)
Table 10: Exhaust Pressure Regulator (Diesel)
Table 11: Fuel Heater (Diesel)
Table 12: Water in Fuel (WIF) Sensor
Table 13: Glow Plug Module
Table 14: Crankshaft Position (CKP) Sensor (Diesel)
Table 15: Engine Oil Level Switch
Table 16: Fuel Pump
Table 17: Accelerator Pedal Position (APP) Sensor
Table 18: Automatic Transmission (6.0L Gas & 6.5L Diesel)

Boost Pressure Sensor (Diesel)


Object Number: 280779 Size: CH

Connector Part Information
    • 12103771
    • 3 Way M Weather-Pack TWR Series (WHT)

Pin

Wire Color

Circuit No.

Function

A

BLK

552

Boost Pressure Sensor - Return

B

LT GRN

432

Boost Pressure Sensor - Signal

C

GRY

605

Reference Voltage Feed - 5 Volt

Manifold Absolute Pressure (MAP) Sensor (Diesel L56)


Object Number: 95766 Size: CH

Connector Part Information
    • 12103451
    • 3 Way M Weather-Pack TWR Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

433

Manifold Absolute Pressure (MAP) Sensor - Signal

B

PPL

574

Manifold Absolute Pressure (MAP) Sensor - Return

C

GRY

605

Reference Voltage Feed - 5 Volt

Air Temperature Sensor


Object Number: 62431 Size: CH

Connector Part Information
    • 12041411
    • 2 Way F Metri-Pack 150 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

472

Air Temperature Sensor - Signal

B

BLK

552

Air Temperature Sensor - Return

Coolant Temperature Sensor


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

410

Coolant Temperature Sensor Signal

B

BLK

552

Coolant Temperature Sensor Return

Injection Timing Stepper Motor


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

1030

Injection Timing Stepper Motor Feed - Coil A - (Low)

B

ORN/BLK

1032

Injection Timing Stepper Motor Feed - Coil B - (Low)

C

YEL/BLK

1033

Injection Timing Stepper Motor Feed - Coil B - (High)

D

RED/BLK

1031

Injection Timing Stepper Motor Feed - Coil A - (High)

Fuel Solenoid Driver


Object Number: 62443 Size: CH

Connector Part Information
    • 12047950
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

260

Fuel Solenoid Module Feed

B

BLK

491

Fuel Solenoid Return - Closure

C

PNK

1239

Fused Ignition Feed

D

RED

313

Fuel Solenoid Signal - Closure

Engine Shutoff Solenoid


Object Number: 35437 Size: CH

Connector Part Information
    • 12052644
    • 2 Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

259

Engine Shutoff Solenoid - Output

B

PNK

1239

Fused Ignition Feed

Wastegate Solenoid


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1039

Fused Ignition Feed

B

YEL

258

Waste Gate Solenoid Output

EGR Solenoid (Diesel)


Object Number: 35437 Size: CH

Connector Part Information
    • 12052646
    • 2 Way F Metri-Pack 150 Series (WHT)

Pin

Wire Color

Circuit No.

Function

A

PNK

1039

Fused Ignition Feed

B

GRY

435

Exhaust Gas Recirculation (EGR) Solenoid - Output

Exhaust Pressure Regulator (Diesel)


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1039

Fused Ignition Feed

B

WHT

1424

Exhaust Pressure Regulator Vacuum Solenoid Output

Fuel Heater (Diesel)


Object Number: 309547 Size: CH

Connector Part Information
    • 12015793
    • 3 Way M Weather-Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

550

Ground

B

--

--

Not Used

C

PNK

1039

Fused Ignition Feed

Water in Fuel (WIF) Sensor


Object Number: 309547 Size: CH

Connector Part Information
    • 12015793
    • 3 Way M Weather-Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1039

Fused Ignition Feed

B

YEL/BLK

508

Water in Fuel Indicator Lamp Output

C

BLK

550

Ground

Glow Plug Module


Object Number: 320619 Size: CH

Connector Part Information
    • 12162144
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

506

Diagnostic Signal - Glow Plug

B

BLK

550

Ground

C

YEL

505

Glow Plug Relay Feed - Coil

D

PNK

1039

Fused Ignition Feed

Crankshaft Position (CKP) Sensor (Diesel)


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position (CKP) Sensor - Signal

B

PPL

574

Crankshaft Position (CKP) Sensor - Return

C

GRY

605

Reference Voltage Feed - 5 Volts

Engine Oil Level Switch


Object Number: 232831 Size: CH

Connector Part Information
    • 12162195
    • 2 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Sensor Signal

B

BLK

550

Ground

Fuel Pump


Object Number: 365945 Size: CH

Connector Part Information
    • 12059450
    • 2 Way M Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

120

Fuel Pump Motor Feed

B

BLK

1650

Ground

Accelerator Pedal Position (APP) Sensor


Object Number: 366097 Size: CH

Connector Part Information
    • 15318071
    • 10 Way F GT 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

GRY

1273

Electronic Throttle - Pedal Position Return 3

B

PPL

1272

Electronic Throttle - Pedal Position Return 2

C

LT BLU

1162

Electronic Throttle - Pedal Position Signal 2

D

TAN

1274

Electronic Throttle - Pedal Position 5V REF 2

E

YEL/BLK

1275

Electronic Throttle - Pedal Position 5V REF 3

F

DK BLU

1161

Electronic Throttle - Pedal Position Signal 1

G

WHT/BLK

1164

Electronic Throttle - Pedal Position 5V REF 1

H

--

--

Not Used

J

BRN

1271

Electronic Throttle - Pedal Position Return 1

K

DK GRN

1163

Electronic Throttle - Pedal Position Signal 3

Automatic Transmission (6.0L Gas & 6.5L Diesel)


Object Number: 258240 Size: CH

Connector Part Information
    • 12160493
    • 20 Way F Micro-Pack 100 W Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

Shift Solenoid A Output

B

YEL/BLK

1223

Shift Solenoid B Output

C

RED/BLK

1228

Transmission Force Motor Feed

D

LT BLU/WHT

1229

Transmission Force Motor Return

E

PNK

1020

Fused OFF/Run/Crank Feed

F-K

--

--

Not Used

L

YEL/BLK

1227

Transmission Temperature Sensor Signal

M

BLK

407

Sensor Return

N

PNK

1224

Transmission Pressure Switch Signal - BIT 1

P

RED

1226

Transmission Pressure Switch Signal - BIT 3

R

DK BLU

1225

Transmission Pressure Switch Signal - BIT 2

S

BRN

418

Torque Converter Clutch Solenoid Output - Pulse Width Modulation

T-W

--

--

Not Used