Tailgate Unlocked Proximity Switch - Wittke STARLIGHT Maintenance Manual

52 Electrical System
3. Climb on the roof.
4.
Adjust the proximity switch so that it can detect the target when the top door is fully open.
5.
Start the engine and turn ON the hydraulic pump.
6.
Close the top door about an inch.
The proximity switch should not detect the target and the Roof Open switch on the control panel
will turn blue.
7. Make sure there is a gap of 3/16 inch (4.8 mm) between the proximity switch and the target.

Tailgate Unlocked Proximity Switch

The Tailgate Unlocked proximity switch disables the pack cycle, turns on a blinking warning light in
the cab, and sounds the backup alarm and the in-cab buzzer if the tailgate is not completely closed.
This proximity switch also disables packing.
Location
The Tailgate Unlocked proximity switch is located on the street side of the tailgate, near the tailgate
cylinder.
Figure 5-13 Tailgate Unlocked proximity switch
Adjustment procedure:
1. Make sure that the tailgate is closed and locked.
2. Fix the Tailgate Unlocked proximity switch in such a way that it faces and detects the tailgate
cylinder head edge (as shown in Figure 5-13).
The red warning light on the control panel should not blink.
If detection is achieved, the amber light on the proximity switch will turn on.
3. Unlock the tailgate.
The proximity switch should not detect the cylinder anymore.
The red warning light on the control panel should blink, and the backup alarm and the in-cab
buzzer should sound.
4.
Repeat the adjustment procedure until the proper adjustment is obtained.