GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Yukon XL - 4WD 🢒 Engine 🢒 Engine Cooling 🢒 Cooling System Connector End Views
Table 1: Engine Coolant Temperature (ECT) Sensor (4.3L Only)
Table 2: Engine Coolant Temperature (ECT) Sensor
Table 3: Engine Coolant Level Switch
Table 4: Instrument Cluster
Table 5: Data Link Connector (SP205)
Table 6: Data Link (DLC)

Engine Coolant Temperature (ECT) Sensor (4.3L Only)


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

BLK

452

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

Engine Coolant Temperature (ECT) Sensor


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

GRY

720

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

Engine Coolant Level Switch


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

LT GRN

1478

Low Coolant Sensor Signal

B

BLK

550

Ground

Instrument Cluster


Object Number: 73156 Size: CH

Connector Part Information
    • 12110088
    • 24 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

TAN/WHT

331

Oil Pressure Sensor Signal

A2

WHT

121

Tachometer Signal

A3

DK GRN/WHT

817

Vehicle Speed Signal

A4

BRN

41

Ignition 3 Voltage

A5

GRY

1036

Class 2 Serial Data

A6

BLK

1850

Ground

A7

GRY

8

Illumination Supply Voltage

A8

BLK/WHT

451

Ground

A9

ORN

340

Battery Positive Voltage

A10

PNK

1020

Ignition 0 Voltage

A11

--

--

Not Used

A12

DK GRN/WHT

1932

Park Switch Signal

B1

LT BLU

14

LH Turn Signal

B2

BRN/WHT

419

MIL Control

B3-B4

--

--

Not Used

B5

PPL/WHT

1382

LED Dimming Signal

B6

PNK

39

Ignition 1 Voltage

B7-B9

--

--

Not Used

B10

DK BLU

15

RH Turn Signal

B11

--

--

Not Used

B12

BLK/WHT

174

Low Washer Switch Signal

Data Link Connector (SP205)


Object Number: 338576 Size: CH

Connector Part Information
    • 12191216
    • 12-Way F Metri-Pack Series 150 (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

1132

Serial Data Signal (Class 2)

B

DK GRN

1049

Serial Data Signal (Class 2)

C

DK GRN/WHT

1133

Serial Data Signal (Class 2)

D

ORN

1044

Serial Data Signal (Class 2)

E

LT BLU

1122

Serial Data Signal (Class 2)

F

DK BLU

1128

Serial Data Signal (Class 2)

G

GRY

1036

Serial Data Signal (Class 2)

H

DK BLU/WHT

1126

Serial Data Signal (Class 2)

J

BRN/WHT

1048

Serial Data Signal (Class 2)

K

YEL

1127

Serial Data Signal (Class 2)

L

WHT

1038

Serial Data Signal (Class 2)

M

LT GRN

1037

Serial Data Signal (Class 2)

Data Link (DLC)


Object Number: 68793 Size: CH

Connector Part Information
    • 12110250
    • 16 Way F Metri-Pack Series 150 (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PPL

1132

Serial Data Link (Class 2)

3

--

--

Not Used

4

BLK

1850

Ground

5

BLK/WHT

451

Engine Control Module Ground

6-13

--

--

Not Used

14

DK GRN

835

Entertainment and Comfort Serial Data

15

--

--

Not Used

16

ORN

640

Fused Battery Feed