W T E C I I I E L E C T R O N I C C O N T R O L S T R O U B L E S H O O T I N G M A N U A L
APPENDIX D WIRE/CONNECTOR CHART
0011 00151
Figure D11. GMC Connector for OBD-II DDR Adapter
OPTIONAL OBDII DDR CONNECTOR
Terminal No.*
Color
Wire No.
Description
Termination Point(s)*
1
2
3
4
5
Gray
143-S32
Battery Ground ()
ECU-S32, VIWS-P, PSS-P, SSS-P
6
7
White
142-S1
Serial Communication Interface, Hi
ECU-S1, SCI-A
8
9
10
11
12
13
14
15
Blue
151-S17
Serial Communication Interface, Lo
ECU-S17, SCI-B
16
Yellow
146-S4
Ignition Sense (+)
ECU-S4, VIWS-E
*
Terminal number and termination points shown only apply when an Allison Transmission recommended harness configuration and bulk-
head connector are used.