GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Pedal Position Sensor
Table 2: Electro-Hydraulic Power Steering (EHPS) C1
Table 3: Electro-Hydraulic Power Steering (EHPS) C2
Table 4: Steering Wheel Speed/Position Sensor

Brake Pedal Position Sensor


Object Number: 1243663  Size: CH

Connector Part Information

    • 15332132
    • 3-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

5688

Brake Pedal Position Sensor 5-Volt Supply

B

YE

5066

Brake Pedal Position Sensor Signal

C

GY/BK

5689

Brake Pedal Position Sensor 5-Volt Return

Electro-Hydraulic Power Steering (EHPS) C1


Object Number: 814661  Size: CH

Connector Part Information

    • 15355404
    • 2-Way F Maxi 800 Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

RD

5875

EHPS 42-Volt Battery

B

BK

5691

EHPS 42-Volt Ground

Electro-Hydraulic Power Steering (EHPS) C2


Object Number: 39784  Size: CH

Connector Part Information

    • 12129225
    • 24-Way F Micro-Pack 100 Series, Sealed (NA)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BK/WH

1851

Ground

3-4

--

--

Not Used

5

OG

5688

5-Volt Supply

6

YE

5066

Brake Pedal Position Sensor Signal

7

GY/BK

5689

Low Reference

8

TN

2501

High Speed GMLAN Serial Data Bus-

9

TN/WH

2500

High Speed GMLAN Serial Data Bus+

10

BK/WH

451

Ground

11

PK

1020

Ignition 0 Voltage

12

--

--

Not Used

13

L-GN

1763

Steering Wheel Position Signal A

14

--

--

Not Used

15

L-BU

1764

Steering Wheel Position Signal B

16-17

--

--

Not Used

18

YE/BK

5696

EHPS Interlock Signal

19

YE/BK

5696

EHPS Interlock Signal

20

TN

2501

High Speed GMLAN Serial Data Bus-

21

TN/WH

2500

High Speed GMLAN Serial Data Bus+

22

PK

1839

Ignition 1 Voltage

23-24

--

--

Not Used

Steering Wheel Speed/Position Sensor


Object Number: 280793  Size: CH

Connector Part Information

    • 12052444
    • 8-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

1056

5-Volt Reference

2

BK

1835

Low Reference

3

L-GN

1763

Steering Wheel Position Sensor Phase A Signal

4

L-BU

1764

Steering Wheel Position Sensor Phase B Signal

5

WH

1765

Steering Wheel Position Marker Pulse Signal

6

L-BU

1059

Steering Wheel Position Sensor Signal

7

BN

41

Ignition 3 Voltage

8

BK/WH

1851

Ground