GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Express 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Instrument Panel, Gages, and Console Connector End Views
Table 1: Engine Coolant Temperature Gauge Sensor Connector
Table 2: Fuel Pump and Sender Connector (Gasoline)
Table 3: Fuel Pump Switch and Engine Oil Pressure Gauge Sensor Connector
Table 4: Fuel Sender Buffer Module Connector
Table 5: Fuel Tank Level Sender Connector (Diesel)
Table 6: Instrument Cluster Connector (Gasoline)
Table 7: Instrument Cluster Connector (Diesel)
Table 8: Park/Neutral Position Switch, C1 Connector
Table 9: Park/Neutral Position Switch, C2 Connector
Table 10: Vehicle Speed Sensor (VSSB) Buffer
Table 11: C122

Engine Coolant Temperature Gauge Sensor Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12089499
    • 1-Way F Metri-pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

35

Coolant TEMP Indicator Lamp Output

B

--

--

Not Used

Fuel Pump and Sender Connector (Gasoline)


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 4-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Level Signal to VCM

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

470

Sensor Return

Fuel Pump Switch and Engine Oil Pressure Gauge Sensor Connector


Object Number: 39663 Size: CH

Connector Part Information
    • 12065401
    • 3-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

31

Oil Pressure Indicator Lamp Output

B

--

--

Not Used

C

GRY

120

Fuel Pump Motor Feed

D

ORN

440

Fuse Output - Battery - Type III Fuse

Fuel Sender Buffer Module Connector


Object Number: 328486 Size: CH

Connector Part Information
    • 12047887
    • 12-Way P/C Edgeboard (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Fuse Output - IGN 1 - Type III Fuse

B

GRY

705

5 Volt Reference

C

PPL

1589

Filtered Fuel Pump Voltage Return

D-K

--

--

Not Used

L

PPL

30

Fuel Gauge Sensor Signal

M

BLK/WHT

451

Ground

Fuel Tank Level Sender Connector (Diesel)


Object Number: 328485 Size: CH

Connector Part Information
    • 12160563
    • 2-Way F Metri-pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Gauge Sensor Signal

B-C

--

--

Not Used

D

ORN/BLK

1057

Ground

Instrument Cluster Connector (Gasoline)


Object Number: 62478 Size: CH

Connector Part Information
    • 12065803
    • 34-Way F Micro-pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

LT GRN

867

ABS Failure Indicator Lamp Output

A2

BRN/WHT

419

Check Engine Indicator Lamp Output

A3

--

--

Not Used

A4

YEL

749

Security Lamp Input

A5-A6

--

--

Not Used

A7

DK BLU

15

Turn Signal Lamp Feed (Right Front)

A8

GRY

8

IP Lamp Feed

A9

--

--

Not Used

A10

LT BLU

14

Turn Signal Lamp Feed (Left Front)

A11

--

--

Not Used

A12

YEL

234

Seat Belt Indicator Lamp Output

A13

TAN/WHT

33

Brake Warning Indicator Lamp Output

A14-A15

--

--

Not Used

A16

BRN

358

SIR Indicator Lamp Output

A17

LT GRN/BLK

592

DRL Relay Output (Coil)

B1

BLK

150

Ground

B2

PPL

30

Fuel Gauge Sensor Signal

B3

LT GRN

11

High Beam Headlamp Feed

B4

BLK/WHT

771

Transmission Position Switch Signal (BIT 1)

B5

YEL

772

Transmission Position Switch Signal (BIT 2)

B6

GRY

773

Transmission Position Switch Signal (BIT 3)

B7

WHT

776

Transmission Position Switch Signal (Parity)

B8

TAN

31

Oil Pressure Indicator Lamp Output

B9

DK GRN

35

Coolant TEMP Indicator Lamp Output

B10

PNK

1020

Fuse Output - Off, Run, Crank - Type III Fuse

B11

--

--

Not Used

B12

PPL/WHT

1382

LED Dimming Signal

B13

BLK/WHT

451

Ground

B14

DK GRN

389

Vehicle Speed Signal (4000 Pulses Per Mile)

B15

--

--

Not Used

B16

BRN

25

Charge Indicator Lamp Output

B17

PNK

39

Fuse Output - IGN 1 - Type III Fuse

Instrument Cluster Connector (Diesel)


Object Number: 62478 Size: CH

Connector Part Information
    • 12065803
    • 34-Way F Micro-pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

LT GRN

867

ABS Failure Indicator Lamp Output

A2

BRN/WHT

419

Check Engine Indicator Lamp Output

A3

WHT/BLK

176

Service Throttle Soon Indicator Lamp Output

A4

YEL

749

Security Lamp Input

A5

YEL/BLK

68

Low Coolant Level Indicator Lamp Output

A6

--

--

Not Used

A7

DK BLU

15

Turn Signal Lamp Feed (Right Front)

A8

GRY

8

IP Lamp Feed

A9

--

--

Not Used

A10

LT BLU

14

Turn Signal Lamp Feed (Left Front)

A11

--

--

Not Used

A12

YEL

234

Seat Belt Indicator Lamp Output

A13

TAN/WHT

33

Brake Warning Indicator Lamp Output

A14

--

--

Not Used

A15

YEL/BLK

509

WATER IN FUEL Indicator Lamp Output

A16

BRN

358

SIR Indicator Lamp Output

A17

LT GRN/BLK

592

DRL Relay Output (Coil)

B1

BLK

150

Ground

B2

PPL

30

Fuel Gauge Sensor Signal

B3

LT GRN

11

High Beam Headlamp Feed

B4

BLK/WHT

771

Transmission Position Switch Signal (BIT 1)

B5

YEL

772

Transmission Position Switch Signal (BIT 2)

B6

GRY

773

Transmission Position Switch Signal (BIT 3)

B7

WHT

776

Transmission Position Switch Signal (Parity)

B8

TAN

31

Oil Pressure Indicator Lamp Output

B9

DK GRN

35

Coolant TEMP Indicator Lamp Output

B10

PNK

1020

Fuse Output - Off, Run, Crank - Type III Fuse

B11

--

--

Not Used

B12

PPL/WHT

1382

LED Dimming Signal

B13

BLK/WHT

451

Ground

B14

DK GRN

389

Vehicle Speed Signal (4000 Pulses Per Mile)

B15

DK BLU

507

Glow Plug Indicator Lamp Signal

B16

BRN

25

Charge Indicator Lamp Output

B17

PNK

39

Fuse Output - IGN 1 - Type III Fuse

Park/Neutral Position Switch, C1 Connector


Object Number: 68780 Size: CH

Connector Part Information
    • 12129840
    • 7-Way F Metri-pack Mixed (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

LT GRN

275

Transmission-mounted Neutral Safety Switch Output - Park

C

PNK

139

Fuse Output - Ignition 1 - Type III Fuse

D

BLK

150

Ground

E

PPL

806

Fuse Output - Crank - Type III Fuse

F

LT GRN

24

Backup Lamp Feed

G

YEL

1737

Transmission-mounted Neutral Safety Switch Output

Park/Neutral Position Switch, C2 Connector


Object Number: 40412 Size: CH

Connector Part Information
    • 12191757
    • 4-Way F Metri-pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

Transmission Position Switch Signal (Bit 1)

B

GRY

773

Transmission Position Switch Signal (Bit 3)

C

WHT

776

Transmission Position Switch Signal (Parity)

D

YEL

772

Transmission Position Switch Signal (Bit 2)

Vehicle Speed Sensor (VSSB) Buffer


Object Number: 62467 Size: CH

Connector Part Information
    • 12066130
    •  CONN 9F MIC/P 100 (NAT)

Pin

Wire Color

Circuit No.

Function

7

LT GRN/BLK

822

Vehicle Speed Sensor Return

8

BLK/WHT

451

Ground

9

PNK

39

Fuse Output - Ign 1 - Type III Fuse

10

YEL/BLK

1827

Vehicle Speed Signal (128,000 Pulses Per Mile)

11

--

--

Not Used

12

PPL/WHT

821

Vehicle Speed Sensor Signal

13

BRN

437

Vehicle Speed Signal

14

DK GRN/WHT

817

Vehicle Speed Signal (4000 Pulses Per Mile)

15

DK GRN

389

Vehicle Speed Signal (4000 Pulses Per Mile)

C122


Object Number: 510603 Size: CF

Connector Part Information
    • 1216200
    • 2-Way M M/P 150 Series (BLK)

Connector Part Information
    • 1205263
    • 2-Way F M/P 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

396

Cruise Control Signal Engaged

A

LT BLU/BLK

396

Cruise Control Signal Engaged

B

DK GRN

389

Vehicle Speed Signal

B

DK GRN

389

Vehicle Speed Signal