Ford Aerostar I (1986-1997) pressure differential warning switch Wiring diagrams

13 14 ISOLATION SOL OUTPUT DUMP SOL OUTPUT BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE ON/OFF (BOO) SWITCH (ON BRAKE PEDAL SUPPORT) DIFFERENTIAL SPEED SENSOR DK GRN WIRE DK GRN/YEL WIRE DSS RETURN DSS INPUT DSS TEST CONNECTOR (LEFT REAR OF ENGINE COMPT) DUMP VALVE SOLENOID FUSE 1 FUSE 18 FUSE 4 FUSE 7 FUSE PANEL HOT AT ALL TIMES HOT IN RUN HOT IN START OR RUN IGNITION SWITCH INSTRUMENT CLUSTER REAR ABS INDICATOR INSTRUMENT CLUSTER SYSTEM ISOLATION VALVE SOLENOID LOCK OFF LT BLU/PNK WIRE LT BLU/RED WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT GRN/YEL WIRE NCA WIRE PNK/LT GRN WIRE PRESSURE DIFFERENTIAL WARNING SWITCH PSOM MODULE (INSTRUMENT CLUSTER) RABS TEST CONNECTOR REAR ANTI-LOCK BRAKE MODULE (RABS) (BEHIND CENTER OF I/P, BELOW ASHTRAY) RED WIRE RED/PNK WIRE RED/YEL WIRE RUN WIRE SWITCHED POWER 2 3 LOW FLUID LVL INPUT DIFF SENSOR GROUND MODULE GROUND TAN/LT GRN WIRE TAN/WHT WIRE YEL/LT GRN WIRE

BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE WARNING RESISTOR/DIODE ASSEMBLY COURTESY LAMP RELAY (LEFT REAR CORNER OF CARGO AREA) DATA LINK CONNECTOR (LEFT REAR OF ENGINE COMPT, ON SAFETY WALL) DAYTIME RUNNING LAMPS MODULE DIFFERENTIAL SPEED SENSOR DK GRN WIRE DK LT DSS TEST CONNECTOR (LEFT REAR OF ENGINE COMPT, ON SAFETY WALL) FUSE FUSE 18 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT IN HOT IN RUN OR IGNITION SWITCH IND. CTRL IN LEFT FRONT DOOR AJAR SWITCH LIFTGATE AJAR SWITCH LOCK OFF GND LOW OIL LEVEL RELAY LOW OIL LEVEL SWITCH (LOWER RIGHT SIDE OF ENGINE, ON SIDE OF OIL PAN) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT GRN/YEL WIRE OIL LVL IN GND OR RUN FUSE 6 20 PANEL: I/P PARK BRAKE SWITCH (ON PARK BRAKE SUPPORT) PNK LT WIRE PNK WIRE PNK/LT GRN WIRE PPL PPL SLIDING DOOR AJAR RELAY PPL/WHT WIRE PRESSURE DIFFERENTIAL WARNING SWITCH REAR ANTI-LOCK BRAKE MODULE REAR DOOR LATCH SWITCH RIGHT REAR DOOR AJAR SWITCH RED WIRE RED/PNK WIRE RED/YEL WIRE RIGHT FRONT DOOR AJAR SWITCH RUN WIRE TAN WIRE TAN/LT GRN WIRE W/ DRL W/ DUAL REAR DOORS W/ LIFTGATE W/O DRL WHT WIRE WHT/PNK WIRE YEL WIRE