GM Service Manual Online
For 1990-2009 cars only
Table 1: Data Link Connector (DLC) (L18)
Table 2: Data Link Connector (DLC) (LG5)

Data Link Connector (DLC) (L18)


Object Number: 68793  Size: CH

Connector Part Information

    • 12110250
    • 16-Way F, Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

DK GRN

1049

PCM Class 2 Serial Data (JE5)

2

--

--

Not Used (JE3)

3

--

--

Not Used

4

BLK

150

Ground

5

BLK/WHT

451

Ground

6

--

--

Not Used

7

TAN/BLK

1921

SAE J1708 Serial Data A (JE5)

7

--

--

Not Used (JE3)

8-11

--

--

Not Used

12

TAN/WHT

799

ABS Serial Data (JE3)

12

--

--

Not Used (JE5)

13-14

--

--

Not Used

15

WHT/BLK

1922

SAE J1708 Serial Data B (JE5)

15

--

--

Not Used (JE3)

16

ORN

140

Battery Positive Voltage

Data Link Connector (DLC) (LG5)


Object Number: 68793  Size: CH

Connector Part Information

    • 12110250
    • 16-Way F, Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

DK GRN

1049

PCM/TCM Class 2 Serial Data (MX4/MTW)

2

--

--

Not Used (w/o MX4/MTW)

3

--

--

Not Used

4

BLK

150

Ground

5

BLK/WHT

451

Ground

6

WHT/BLK

448

Powertrain Diagnostic Enable

7

TAN/BLK

1921

SAE J1708 Serial Data A

8-11

--

--

Not Used

12

TAN/WHT

799

ABS Serial Data (JE3)

12

--

--

Not Used (JE5)

13-14

--

--

Not Used

15

WHT/BLK

1922

SAE J1708 Serial Data B

16

ORN

140

Battery Positive Voltage