4-56 673831-Rev A
ELECTRICAL
4
Parking Brake Switch Test
See Figure 4-28.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove the parking brake switch. (See “Rocker
Switches” on page 4-64.)
Figure 4-28
3. Place the switch in the OFF (Locked) 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 (Locked) 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 (Locked) 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 (Locked) 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 The switch is good.
NO The switch is faulty; replace the switch.
Required Tools or Equipment
Digital Multimeter, Ohmmeter, or Continuity Tester
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