Windshield Washer/Wiper Switch (Machines With Operator Cab) - Toro Groundsmaster 3280-D Service Manual

Windshield Washer/Wiper Switch (Machines with Operator Cab)

Testing the Windshield Washer/Wiper Switch
Electrical System: Testing the Electrical Components
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1. Switch panel
The windshield washer/wiper switch controls the operation of the windshield
wiper and washer pump. The switch is located in the cab headliner
1. Park the machine on a level surface, lower the cutting deck, set the parking
brake, and shut off the engine.
2. To access the switch, remove the roof from the top of the cab; refer to
Assembly (page 11–3).
3. Remove the left or right defrost vent hose from the mixing box to access the
flange nuts that secure the switch panel and remove the switch panel from
the cab headliner.
4. Disconnect the wire harness electrical connector from the windshield
wiper/washer switch.
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5. The windshield wiper/washer switch terminals are identified in
and the circuitry of the switch is shown in the
With the use of a multimeter (ohms setting), test the switch functions to
determine if continuity exists between the various terminals for each switch
position. Check the continuity between the switch terminals.
Figure 138
Center roof switch installation view
2. Washer/wiper switch
Figure 139
Back of Switch
Page 6–38
(Figure
Figure 139
Circuit Logic Table (page
Groundsmaster ® 3280-D/3320
05138SL Rev B
138).
Roof
6–39).