GM Service Manual Online
For 1990-2009 cars only
Connector 1: Controller Area Network (CAN) Connector
Connector 2: Data Link Resistor 1
Connector 3: Data Link Resistor 2
Connector 4: Data Link Resistor 3
Connector 5: Data Link Connector (DLC)
Connector 6: Data Recorded Module (DRM) (LF8)
Connector 7: Serial Data Gateway (SDG) Module - JE4 or JE3 w/Allison® MD
Connector 8: Trigger Switch

Controller Area Network (CAN) Connector


Object Number: 855174  Size: CH

Connector Part Information

  • OEM: Deutsch HD 10-9-1939PE
  • Description: 9-Way F (BK)

Controller Area Network (CAN) Connector

Pin

Wire Color

Circuit No.

Function

A

BK

HU04

Ground

B

OG

HF10

Battery Positive Voltage

C

WH/D-BU

HF21

J1939 Serial Data High

D

BK/D-BU

HF22

J1939 Serial Data Low

E

--

--

Not Used

F

BK/WH

HF11

SAE J1708 Serial Data A

G

D-BU

HF12

SAE J1708 Serial Data B

H-J

--

--

Not Used

Data Link Resistor 1


Object Number: 1430188  Size: CH

Connector Part Information

  • OEM: 15324657
  • Description: 3-Way F Sealed, (D-GY)

Data Link Resistor 1

Pin

Wire Color

Circuit No.

Function

A

D-GN

TF14

CAN Low

B

D-BU

TF13

CAN High

C

--

--

Not Used

Data Link Resistor 2


Object Number: 1430190  Size: CH

Connector Part Information

  • OEM: 7323-6122-90
  • Description: 2-Way F Yazaki (BU)

Data Link Resistor 2

Pin

Wire Color

Circuit No.

Function

A

BK/WH

TF02

CAN Low

B

D-BU

TF01

CAN High

Data Link Resistor 3


Object Number: 1430190  Size: CH

Connector Part Information

  • OEM: 7323-6122-90
  • Description: 2-Way F Yazaki (BU)

Data Link Resistor 3

Pin

Wire Color

Circuit No.

Function

A

BN

OA95

CAN Low

B

BN/WH

OA94

CAN High

Data Link Connector (DLC)


Object Number: 68793  Size: CH

Connector Part Information

  • OEM: 12110250
  • Description: 16-Way F (BK)

Data Link Connector (DLC)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PU

HF09

SAE J1850 Serial Data

3

--

--

Not Used

4

BK

HU02

Ground

5

BK/WH

HU03

Ground

6

BN/WH

OA92

GMLAN High

7

D-GN/WH

HF07

SAE J1708 Serial Data A (JE4 and Allison® MD)

8-13

--

--

Not Used

14

BN

OA93

GMLAN Low

15

D-GN

HF08

SAE J1708 Serial Data B

16

OG

HF06

Battery Positive Voltage

Data Recorded Module (DRM) (LF8)


Object Number: 1401775  Size: CH

Connector Part Information

  • OEM: 7319-3130
  • Description: 13-Way F Yazaki (WH)

Data Recorded Module (DRM) (LF8)

Pin

Wire Color

Circuit No.

Function

A1

BK

HU06

Ground

A2

BK/WH

HF42

CAN Low

A3-A6

--

--

Not Used

A7

OG

HF45

Battery + Voltage

B8

--

--

Not Used

B9

D-BU

HF41

CAN High

B10

PU

HF47

Trigger Switch Signal

B11

--

--

Not Used

B12

PK

HF46

Ignition 2 Voltage

B13

--

--

Not Used

Serial Data Gateway (SDG) Module - JE4 or JE3 w/Allison® MD


Object Number: 744296  Size: CH

Connector Part Information

  • OEM: 12110259
  • Description: 16-Way F Micro-Pack 100 Series (GN)

Serial Data Gateway (SDG) Module - JE4 or JE3 w/Allison® MD

Pin

Wire Color

Circuit No.

Function

A1

BK/WH

HF18

J1939 Serial Data Low

A2

D-BU

HF17

J1939 Serial Data High

A3

--

--

Not Used

A4

BK/WH

HU01

Ground

A5

--

--

Not Used

A6

OG

HF01

Battery Positive Voltage

A7

--

--

Not Used

A8

RD/WH

HF05

Class 2 Serial Data

B1-B5

--

--

Not Used

B6

PK

HF02

Run/Start Voltage

B7-B8

--

--

Not Used

Trigger Switch


Object Number: 1283891  Size: CH

Connector Part Information

  • OEM: 7382-1020
  • Description: 2-Way F Yazaki (WH)

Trigger Switch

Pin

Wire Color

Circuit No.

Function

1

PU

HF47

Trigger Switch Signal

2

BK

HU07

Ground