GM Service Manual Online
For 1990-2009 cars only

Data Link Connector (DLC)


Object Number: 68793  Size: CH

Connector Part Information

    • 179631-1
    • 16-Way F (WH)

Pin

Wire Color

Circuit No.

Function

1

D-GN

5060

Low Speed GMLAN Serial Data

2

PU

1807

Class 2 Serial Data

3

--

--

Not Used

4

BK

550

Ground

5

BK/WH

151

Ground

6

TN/WH

2500

High Speed GM LAN Serial Data Bus+ (2.2L)

--

--

Not Used (2.0L)

7-13

--

--

Not Used

14

TN

2501

High Speed GM LAN Serial Data Bus- (2.2L)

--

--

Not Used (2.0L)

15

--

--

Not Used

16

OG

40

Battery Positive Voltage