Chevrolet Chevy Express H2500 (2003-2003) 440 1049 710 2752 632 b+ cls 2 data cls 2 data ref low ref low Wiring diagram

+5V (6.0L) 1744 846 INJ 1 CTRL INJ 6 CTRL 2755 1551 1670 1666 1551 1668 1665 1174 REF LOW GND 2759 1551 1671 1667 1551 1669 1664 REF LOW GND 2762 469 1456 REF LOW REF LOW EGR (6.0L) 440 1049 710 2752 632 B+ CLS 2 DATA CLS 2 DATA REF LOW REF LOW 625 1551 719 RLY CTRL GND LOW REF 687 2761 3-2 SS CTRL REF LOW 771 420 776 PRND A SIG BRK SW SIG PRND P SIG PPL 772 633 410 1020 845 PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENG 1 FUSE 23 ENG 2 FUSE 21 FROM UNERHOOD PASS- THROUGH GROMMET BREAKOUT) FUSE 39 FUSE 40 GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START IGN 0 FUSE 6 INJ 7 CTRL INJ 4 CTRL INJECTORS KS 1 SIGNAL KS 2 SIGNAL CKP 1 SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV SW SIG ORG/ WIRE ORG/BLK WIRE PCM BATT FUSE 2 PNK 1 2 3 4 5 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL PPL PPL/WHT WIRE RANGE B RANGE C IGN B+ REF LOW RED/WHT WIRE STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE