Checking the e / m valves for connecting and disconnecting the front axle

1. Disconnect hoses and sockets from e/m valves.

2. Supply compressed air to the fitting "IN" and make sure air is escaping through the filter.



3. Connect the valve leads to the positive battery terminal and ground as shown.



4. Supply compressed air to the fitting "IN" and make sure air is escaping through the fitting "A".

5. If necessary, replace the faulty solenoid valve.