Headlight Switch - Toro Groundsmaster 5900 Series Service Manual

Headlight Switch

Testing
Electrical System: Component Testing
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1. Operator control console
The headlight switch is located on the operator side of the control console
(Figure 220). When the top of the switch is depressed, the headlights should
illuminate. The headlight switch receives power from fuse F−B3 (15 Amp).
1. Park machine on a level surface, lower cutting decks and stop engine.
Remove key from key switch.
2. Turn battery−disconnect switch to the OFF position.
3. Disassemble the console arm to gain access to the switch (see
Arm (page 7–35)).
4. Disconnect machine wire harness connector from the switch being tested.
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5. The switch terminals are marked as shown in
of the throttle switch is shown in below table. With the use of a multimeter
(ohms setting), the switch functions may be tested to determine whether
continuity exists between the various terminals for each switch position.
Verify continuity between switch terminals.
SWITCH POSITION
OFF
ON
6. Replace the switch if testing determines that it is faulty.
7. If the switch tests correctly and a circuit problem still exists, check the wire
harnesses (see Appendix A (page
2
Figure 220
2. Headlight switch
Figure 221
Back of Switch
CLOSED CIRCUITS
2 + 1 and 5 + 4
2 + 3 and 5 + 6
A–1)).
Page 6–80
1
Console
Figure 221. The circuit logic
OPEN CIRCUITS
2 + 3 and 5 + 6
2 + 1 and 5 + 4
Groundsmaster ® 5900 & 5910
16227SL Rev B