GM Service Manual Online
For 1990-2009 cars only
Connector 1: Input and Output Speed Sensor (ISS/OSS)
Connector 2: Internal Mode Switch (IMS)
Connector 3: Transmission Control Module (TCM )

Input and Output Speed Sensor (ISS/OSS)


Object Number: 333035  Size: CH

Connector Part Information

  • OEM: 12064758
  • Service: N/A
  • Description: 3-Way F Metri-Pack 150 Series (NA)

Input and Output Speed Sensor (ISS/OSS)

Pin

Wire

Circuit

Function

A

GN

--

Input Speed Sensor (ISS) Signal

B

RD

--

ISS/OSS Supply Voltage

C

BK

--

Output Speed Sensor (OSS) Signal

Internal Mode Switch (IMS)


Object Number: 347262  Size: CH

Connector Part Information

  • OEM: 15336500
  • Service: N/A
  • Description: 6-Way F Metri-Pack 150.2 Series (GN)

Internal Mode Switch (IMS)

Pin

Wire

Circuit

Function

A

GY

--

Battery Positive Voltage

B

BK

--

Transmission Range Switch Signal P

C

YE

--

Transmission Range Switch Signal C

D

RD

--

Transmission Range Switch Signal B

E

GN

--

Transmission Range Switch Signal A

F

WH

--

Park/Neutral Switch Signal

Transmission Control Module (TCM )


Object Number: 1414311  Size: CH

Connector Part Information

  • OEM: 15491328
  • Service: N/A
  • Description: 16-Way F 1.5 Pin Housing (BK)

Transmission Control Module (TCM )

Pin

Wire

Circuit

Function

1-2

--

--

Not Used

3

OG/BK

1786

Park/Neutral Signal

4

RD/WH

2440

Battery Positive Voltage

5

BK/WH

1551

A Ground

6

WH

17

Brake Pedal Apply Signal

7

PU

5526

Tap Up/Tap Down Signal

8

--

--

Not Used

9

YE/BK

5728

ECM/TCM Serial Data Wake-Up

10

TN/BK

2500

High Speed GM LAN Serial Data Bus (+)

11

TN

2501

High Speed GM LAN Serial Data Bus (+)

12

PK

239

Run/Crank Voltage

13

TN

2501

High Speed GM LAN Serial Data Bus (-)

14

TN/BK

2500

High Speed GM LAN Serial Data Bus (+)

15-16

--

--

Not Used