Ford Econoline E250 (1997-2012) low vacuum warning switch Wiring diagram

4 WHEEL ANTI- LOCK BRAKE SYSTEM MODULE 5.4L NGV 5.4L NGV ONLY REAR AFT- AXLE POWERTRAIN FUEL CONTROL TANK MODULE VALVE 7.3L DIESEL BATTERY JUNCTION BOX BLK WIRE BLOWER MOTOR RELAY CUTAWAY, STRIPPED CHASSIS CUTAWAY, STRIPPED CHASSIS PNK/ WIRE DAYTIME RUNNING IN-TRANSIT LIGHTS FUEL PUMP MODULE MODULE DIESEL ENGINE COOLANT INSTRUMENT TEMPERATURE CLUSTER SENDER EXCEPT 5.4L NGV EXCEPT 5.4L NGV 5.4L NGV FORWARD AFT- AXLE FUEL TANK VALVE FUEL INJECTOR SHIELD FUEL PUMP FUEL PUMP MODULE GAS GRY WIRE IN-TRANSIT FUEL PUMP MODULE INJECTOR DRIVER MODULE INSTRUMENTATION ENGINE COOLANT NGV TEMPERATURE FUEL PUMP TIMER SENSOR MODULE LEFT HEADLAMP LOW VACUUM WARNING SWITCH LT BLU WIRE MIDSHIP FUEL FUEL TANK TANK SENDER VALVE NCA WIRE NGV MODULE ORG/ WIRE PNK PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE RED WIRE RIGHT FRONT LEFT FRONT PARK/TURN RIGHT PARK/TURN LAMP HEADLAMP LAMP SPEED VEHICLE CONTROL SPEED SERVO SENSOR TRAILER BATTERY CHARGE RELAY TRAILER REVERSING LAMP RELAY TRAILER RUNNING LAMP RELAY TRAILER/CAMPER ADAPTER (CLASS 1) CONNECTOR WHT WIRE WIPER CONTROL MODULE YEL WIRE