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

--

--

Not Used

2

VT

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+

7-13

--

--

Not Used

14

TN

2501

High Speed GM LAN Serial Data Bus-

15

--

--

Not Used

16

OR

40

Battery Positive Voltage