GMC Vandura G2500 (1985-1995) ecmb fuse Wiring diagrams

3-2 CONTROL SOLENOID SHIFT SOL B 5 VOLTS REF BATTERY POWER BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE/ TRANSMISSION SHIFT INTERLOCK RELAY BRN WIRE DATA LINK CONNECTOR (PARTIAL) DK BLU WIRE DK BLU/WHT WIRE ECMB FUSE ENGINE SPEED SENSOR (TOP REAR OF ENGINE) ENGINE SPEED SENSOR IN SENSOR GROUND TP SENSOR INPUT FORCE MOTOR HI IGNITION FORCE MOTOR LOW FUSE FUSE BLOCK- I/P GAGES FUSE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEAVY DUTY ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER SYSTEM LT BLU/WHT WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (REAR OF ENGINE COMPT, CENTER OF SAFETY WALL) ORG/ WIRE ORG/BLK WIRE PNK RANGE MODE SELECTOR A RANGE MODE SELECTOR B RANGE MODE SELECTOR C WIRE PNK WIRE PNK/BLK WIRE PPL PPL BRAKE SWITCH INPUT 2-3 CONTROL OUTPUT PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SENSOR (LEFT SIDE OF TRANSMISSION) SERVICE TRANS OUTPUT DLC INPUT SHIFT SOL A SHIFT SOLENOID B OUTPUT SHIFT SOLENOID A OUTPUT DLC INPUT SPEED SENSOR INPUT TRANSMISSION SPEED INPUT TRANSMISSION SPEED INPUT SYSTEM GROUND SYSTEM GROUND TAN/WHT WIRE TCC SOL TCC/BRAKE SWITCH (BELOW LEFT SIDE OF I/P, ABOVE BRAKE PEDAL) THROTTLE POSTITION SENSOR (ON INJECTION PUMP) TRANS- MISSION TEMP TRANSMISSION CONTROL MODULE (TCM) (BELOW DRIVER'S SEAT) TRANSMISSION INPUT SPEED TRANSMISSION TEMP INPUT MAP SENSOR INPUT VEHICLE SPEED SENSOR BUFFER WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

2-3 SHIFT SOL CTRL FUEL INJ CTRL EGR SOL CTRL ENG SHUT-OFF CTRL 3-2 SHIFT SOL 2-3 SHIFT SOL 1-2 SHIFT SOL 8 9 10 PPL PPL 983 474 PPL 999 998 961 452 PPL ACCELERATOR PEDAL POSITION (APP) MODULE (TOP OF ACCELERATOR BRACKET) APP 1 SENSOR APP 2 SENSOR APP 3 SENSOR B/H BATTERY FEED BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE CKP SIG OPTICAL SENS GND OPTICAL SENS CAM SIG CRUISE CONTROL SYSTEM CRUISE ON/OFF SIG DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE ECMB FUSE ECT SIG TRANS FLUID TEMP SIG ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION ENGINE COOLANT TEMPERATURE (ECT) SENSOR (RIGHT SIDE OF ENGINE) ENGINE SHUT- OFF SOLENOID (TOP FRONT OF ENGINE) F/PMP FUSE FUEL INJ CTRL FUEL SOLENOID (TOP FRONT OF ENGINE) FUEL SOLENOID DRIVER (TOP FRONT FUSE PNK BLOCK WIRE GLOW PLUG RLY CTRL SERIAL DATA TRANS OUTPUT SPD SIG GRY WIRE GRY/BLK WIRE HI RESOLUTION SIG HOT AT ALL TIMES HOT IN START OR RUN LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE OF ENGINE) OPTICAL SENSOR AND FUEL TEMPER- ATURE SENSOR (TOP FRONT OF ENGINE) ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER RIGHT END OF I/P) PPL PRESS CTRL SOL PRESS CTRL SOL (LO) PRESSURE CONTROL SOL RANGE MODE SELECTOR RED WIRE RED/BLK WIRE RESUME/ACCEL SIG SET/COAST SIG SYSTEM GND CLOSURE GRD APP 2 SENS GND APP 1 SENS GND APP 3 SENS GND SENSOR GND SYSTEM GND FUEL INJ SIG APP SENS 2 SIG APP SENS 1 SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRAKE SW TCC PWM SOL TCC SOL TRANS FLUID TEMP (TFT) SENSOR TRANS FUSE TRANS OUTPUT VEHICLE SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT END OF I/P) VSS VSS INPUT VSS OUTPUT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE