Contents Wiring diagrams Section: Communication Devices All sections

Data Link Communication System: Wiring Chevrolet Silverado 3500

Data Link Connector (DLC) Terminal Identification Connector Part Information 12110250 16-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function 1 - - Not Used 2 PPL 1132 DLC Class 2 Serial Data 3 - - Not Used 4 BLK 1850 Ground 5 BLK/WHT 451 Ground 6 TAN/WHT 2500 High Speed GMLAN Serial Data (+) (HP2) 7-13 - - Not Used 14 TAN 2501 High Speed GMLAN Serial Data (-) (HP2) 15 - - Not Used 16 ORN 640 Battery Positive Voltage

Splice Pack Terminal Identification - SP205 Connector Part Information 15305291 12-Way F Metri-Pack 280 Splice Saver DBL (BLK) Pin Wire Color Circuit No. Function A ORN 1044 Radio Class 2 Serial Data PNK 1045 Serial Communications Circuit B DK GRN 1049 PCM Class 2 Serial Data C DK GRN/WHT 1133 ATC Class 2 Serial Data (NP1 or NP8) LT BLU 1122 ABS Class 2 Serial Data D PPL 1132 DLC Class 2 Serial Data PPL 1807 Class 2 Serial Data (Primary) (w/AU8) E WHT 1038 HVAC Class 2 Serial Data F TAN 1047 PDM Class 2 Serial Data G GRY 1036 IPC Class 2 Serial Data H DK BLU/WHT 2218 Serial Communications Circuit J GRY 2567 Rear Wheel Steering Control Module Class 2 Serial Data - w/ NYS K YEL 2470 Allison Class 2 Serial Data - w/ M74 PPL/WHT 5687 HCM Class 2 Serial Data (HP2) L BRN 1046 DDM Class 2 Serial Data M LT GRN 1037 BCM Class 2 Serial Data

Splice Pack Terminal Identification - SP207 (Base and Uplevel) Connector Part Information 12191216 12-Way F Metri-Pack 150 Series (GRY) Pin Wire Color Circuit No. Function A - - Not Used B PNK 1045 RFA Class 2 Serial Data C YEL 1127 Trip Computer/Nav Class 2 Serial Data D-F - - Not Used G LT BLU 2288 LGM Class 2 Serial Data (UK6) H LT GRN/ BLK 1098 VCM (Vehicle Communication) Class 2 Serial Data - w/ U42 J - - Not Used K LT GRN 2271 ADG Class 2 Serial Data w/ U2K &U2L L-M - - Not Used

Splice Pack Terminal Identification - SP207 (Luxury) Connector Part Information 12191216 12-Way F Metri-Pack 150 Series (GRY) Pin Wire Color Circuit No. Function A - - Not Used B PNK 1045 RFA Class 2 Serial Data C YEL 1127 Trip Computer/Nav Class 2 Serial Data D TAN 5072 Remote Playback Device Class 2 Serial Data - w/ U1S E - - Not Used F DK BLU 2272 Amplifier Class 2 Serial Data G LT BLU 2288 LGM Class 2 Serial Data H LT GRN/ BLK 1098 VCM (Vehicle Communication) Class 2 Serial Data - w/ U42 J - - Not Used K LT GRN 2271 ADG Class 2 Serial Data - w/U2K & U2L L-M - - Not Used