Group 30 Electrical System—VNL, VNM
Service Procedures
5633-03-02-09
Rear Suspension Cab Unloader
Control Valve Replacement
(Includes transfer fittings.)
For service procedure, see “Dash Air Switch Replace-
ment” page 66.
5633-03-02-10
Lift Axle Control Valve Re-
placement
(In dash; includes transfer fittings.)
For service procedure, see “Dash Air Switch Replace-
ment” page 66.
5633-03-02-11
Fifth Wheel Slider Valve Re-
placement
(In dash; includes transfer fittings.)
For service procedure, see “Dash Air Switch Replace-
ment” page 66.
5633-03-02-12
Differential Lockout Valve Re-
placement
(In dash; includes transfer fittings.)
For service procedure, see “Dash Air Switch Replace-
ment” page 66.
5633-03-02-19
Axle Lock Control Valve Re-
placement
(In dash; includes transfer fittings.)
For service procedure, see “Dash Air Switch Replace-
ment” page 66.
Dash Air Switch Replacement
(Includes checking switch function)
Removal
1
Make certain the vehicle ignition is
OFF before beginning this procedure.
2
W3000649
Remove the ashtray from the ashtray
housing. Remove the 2 screws from
the ashtray housing, and remove the
housing.
3
Once the ashtray housing is removed,
the air switch panel can be removed
from the dash. Pull the air switch
panel away from the dash and to the
left to clear the tip inserts.
66
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