GM Service Manual Online
For 1990-2009 cars only
Table 1: Data Link Connector (DLC) (LP4/L21)
Table 2: Data Link Connector (DLC) (LG5)

Data Link Connector (DLC) (LP4/L21)


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

Serial Data Signal

3

--

--

Not Used

4

BLK

150

Ground

5

BLK/WHT

451

Engine (Powertrain) Control Module Ground

6

--

--

Not Used

7

TAN/BLK

1921

Serial Data Link-A-SAE 1708

8-11

--

--

Not Used

12

TAN/WHT

799

Diagnostic Signal ABS

13-14

--

--

Not Used

15

WHT/BLK

1922

Serial Data Link-B-SAE 1708

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

--

--

Not Used (w/o MX4)

2

DK GRN

1049

Class 2 (J1850) Serial Data Link (MX4)

3

--

--

Not Used

4

BLK

150

Ground

5

BLK/WHT

451

Engine (Powertrain) Control Module Ground

6

WHT/BLK

448

Diagnostic Enable Signal Power Train

7

--

--

Not Used (MX4)

7

TAN/BLK

1921

Serial Data Link-A-SAE 1708 (w/o MX4)

8-11

--

--

Not Used

12

TAN/WHT

799

Diagnostic Signal ABS

13-14

--

--

Not Used

15

WHT/BLK

1922

Serial Data Link-B-SAE 1708

16

ORN

140

Battery Positive Voltage