GMC Savana H2500 (2003-2003) Computer data lines circuit

BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER SIDE OF DASH) CHIME MODULE CIGAR FUSE DATA CLSS 2 DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK DATA CLSS 2 WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (IN ENG COMPT, ON LEFT INNER FENDER) PPL RADIO REMOTE CONTROL DOOR LOCK RECEIVER (UPPER LEFT CENTER OF DASH) SPLICE UNDERHOD PASS- THROUGH GROMMET BREAKOUT) UNDERHOOD FUSE BLOCK VEHICLE COMMUNICATIONS INTERFACE MODULE (VCIM) (BELOW STEERING COLUMN) W/O RADIO WHT WIRE YEL WIRE