Dodge Ram Wagon B2500 (1996-2002) blower motor speed switch Wiring diagrams

1 2 3 A/C SWITCH SENSE IGNITION A/C SWITCH SENSE A/C COMP RLY CTRL A/C PRESSURE SIG A/C SWITCH SENSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C CYCLING SWITCH (IN FRONT EVAPORATOR COIL FINS) A/C HEATER CONTROL A/C HIGH PRESSURE SWITCH (ON DISCHARGE LINE, NEAR A/C CONDENSER) A/C LOW PRESSURE SWITCH (ON SUCTION LINE, NEAR FILTER DRIER) A/C SELECT FLOOR MIX DEF A/C SWITCH SIGNAL AMPLIFIER BLEND DOOR ACTUATOR (UNDER DASH, AT TOP RIGHT END OF DISTRIBUTION DUCT) BLK WIRE BLK/ORG WIRE BLK/TAN WIRE BLK/VIO WIRE BLOWER MOTOR (IN ENGINE COMPART- MENT IN BLOWER HOUSING) BLOWER MOTOR RELAY BLOWER MOTOR SPEED SWITCH DK BLU WIRE DK BLU/BLK WIRE DK BLU/ORG WIRE DK BLU/RED WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EXTENDED BODY FUSE 12 FUSE 13 GROUND HIGH BLOWER RELAY HOT AT ALL TIMES HOT IN RUN FUSE BLOCK (ON LEFT END OF DASH) FUSE 10 J/C 3 (LEFT SIDE OF DASH) LOW MED 1 MED 2 LT BLU WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE MAX OFF PANEL (A/C) BI-LEV PANEL (VENT) MODE ORG/ WIRE POWER DISTRIBUTION CENTER (IN ENGINE COMPARTMENT, NEXT TO BATTERY) POWERTRAIN CONTROL MODULE (PCM) (CENTER OF FIREWALL) REAR A/C REAR A/C- HEATER UNIT REAR WINDOW DEFOGGER SWITCH RED WIRE RED/DK GRN (OR NCA) WIRE RED/DK GRN WIRE RED/YEL WIRE RELAY & FUSE BLOCK (ON LEFT END OF DASH) STANDARD BODY TAN WIRE VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

1 2 3 A/C SWITCH SENSE IGNITION A/C SWITCH SENSE A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C CYCLING SWITCH (IN FRONT OF EVAPORATOR COIL FINS) A/C HEATER CONTROL A/C HIGH PRESSURE SWITCH (ON DISCHARGE LINE, NEAR A/C CONDENSER) A/C LOW PRESSURE SWITCH (ON SUCTION LINE, NEAR FILTER DRIER) A/C PRESSURE SIG A/C SWITCH SENSE A/C COMP RLY CTRL A/C SELECT A/C SWITCH SIGNAL AMPLIFIER BLEND DOOR ACTUATOR (UNDER DASH, AT TOP RIGHT END OF DISTRIBUTION DUCT) BLK WIRE BLK/TAN WIRE BLK/VIO WIRE BLOWER MOTOR (IN ENGINE COMPART- MENT IN BLOWER HOUSING) BLOWER MOTOR SPEED SWITCH DK BLU WIRE DK BLU/BLK WIRE DK BLU/ORG WIRE DK BLU/RED WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE EXTENDED BODY FLOOR MIX DEF FUSE 12 FUSE 13 HIGH BLOWER RELAY HOT AT ALL TIMES HOT IN RUN FUSE BLOCK (ON LEFT END OF DASH) FUSE 10 IGNITION SWITCH J/C 3 (LEFT SIDE OF DASH) LOCK LOW MED 1 MED 2 LT BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE MAX OFF PANEL (A/C) BI-LEV MODE OFF ORG/ WIRE PANEL (VENT) POWER DISTRIBUTION CENTER (IN ENGINE COMPARTMENT, NEXT TO BATTERY) POWER DISTRIBUTION CENTER (IN ENGINE COMPT, NEXT TO BATTERY) POWERTRAIN CONTROL MODULE (PCM) (CENTER OF FIREWALL) REAR A/C REAR A/C- HEATER UNIT REAR WINDOW DEFOGGER SWITCH GROUND RED WIRE RED/DK GRN WIRE RED/YEL WIRE RUN WIRE STANDARD BODY TAN WIRE VIO WIRE VIO/WHT WIRE YEL WIRE

A/C HEATER CONTROL A/C SWITCH SIGNAL BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLOWER MOTOR BLOWER MOTOR SPEED SWITCH DK GRN WIRE DK GRN/WHT WIRE EXTENDED BODY FUSE 10 FUSE 7 FUSE BLOCK (ON LEFT END OF DASH) GRY WIRE HIGH BLOWER RELAY HOT AT ALL TIMES HOT IN RUN IGNITION RUN RELAY J/C 3 (LEFT SIDE OF DASH) MED MED LOW OFF HIGH MODE DOOR MODULE NCA WIRE ORG/ WIRE POWER DISTRIBUTION CENTER (IN ENGINE COMPARTMENT, NEXT TO BATTERY) REAR A/C HEATER CONTROL REAR A/C- HEATER UNIT RED WIRE RED/DK GRN WIRE RED/GRY WIRE RESISTOR BLOCK STANDARD BODY WATER VALVE ACTUATOR