Transmission circuit for Chevrolet Chevy Express H1500 (2003-2012)

ACC WAKEUP DATA AUTOMATIC TRANSMISSION (A/T) OUTPUT SHAFT SPEED (OSS) SENSOR BLK/WHT WIRE BRK SW FUSE 13 BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE GRY WIRE HI SPD GMLAN DATA (+) 2-3 SHIFT SOL HI SPD GMLAN DATA (-) VSS LOW SIG PC SOL LOW HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED LOW REF TR SW B SIG LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE RED/WHT WIRE REPLICATED TOS SIG HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL VALVE CTRL TCM BATT FUSE 32 TCM IGN FUSE 31 TFT SENS SIG TR SW A SIG LOW REF IGN VOLT BATT POS VOLT TR SW C SIG TRANS FUSE 17 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) VALVE 4.3L 5.3L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRY WIRE HI SPD GMLAN IND MIL INSTRUMENT PANEL CLUSTER (IPC) LO GM GMLAN LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MIL CTRL NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION (PNP) SWITCH PARK/NEUTRAL SIGNAL PNK WIRE PRESSURE CONTROL (PC) SOLENOID VALVE RED WIRE REPLICATED TOS SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TOW/ HAUL IND TOW/HAUL SW SIG TOW/HAUL SWITCH WHT WIRE YEL WIRE YEL/BLK WIRE