ELECTRICAL
673831-Rev A 4-55
4
Mow Switch Test
See Figure 4-27.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove mow switch. (See “Rocker Switches” on
page 4-64.)
Figure 4-27
3. Place the switch in the OFF position.
4. Connect test leads to the switch terminals (1 and 2).
5. Check for continuity.
Is continuity indicated?
YES Proceed to step 6.
NO The switch is faulty; replace the switch.
6. Place the switch in the ON position.
7. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 8.
8. Connect test leads to the switch terminals (2 and 3).
9. Place the switch in the OFF position.
10. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 11.
11. Place the switch in the On position.
12. Check for continuity.
Is continuity indicated?
YES Proceed to step 13.
NO The switch is faulty; replace the switch.
13. Connect test leads to the switch terminals (4 and 5).
14. Place the switch in the OFF position.
15. Check for continuity.
Is continuity indicated?
YES Proceed to step 16.
NO The switch is faulty; replace the switch.
16. Place the switch in the ON position.
17. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 18.
18. Connect test leads to the switch terminals (5 and 6).
19. Place the switch in the OFF position.
20. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 21.
21. Place the switch in the On position.
22. Check for continuity.
Is continuity indicated?
YES Proceed to step 23.
NO The switch is faulty; replace the switch.
23. Connect a 12-volt DC power source to switch
terminals (7 and 8). The positive wire must be
connected to terminal 8 and the negative wire to
terminal 7.
Does the switch light turn on?
YES The switch is good.
NO The switch is faulty; replace the switch.
Required Tools or Equipment
• Digital Multimeter, Ohmmeter, or Continuity Tester
• 12-volt DC Power Source
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