Vacuum Switching Valve
With valve removed from vehicle, apply electrical power (12 volts) to connector terminals and listen for clicking of solenoid as it moves inside valve. If no clicking is heard, select a new valve and repeat check.
With valve removed from vehicle, apply electrical power (12 volts) to connector terminals and listen for clicking of solenoid as it moves inside valve. If no clicking is heard, select a new valve and repeat check.