4-80 4203781 First Edition
ELECTRICAL
4
2. Remove switch. (See “Rocker Switches” on
page 4-97.)
Figure 4-47
3. Place the switch in the OFF (middle) position.
4. Connect test leads to the switch terminals (1 and 2).
5. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 6.
6. Place the switch in the (5) position.
7. Check for continuity.
Is continuity indicated?
YES Proceed to step 8.
NO The switch is faulty; replace the switch.
8. Place the switch in the (4) position.
9. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 10.
10. Connect test leads to the switch terminals (2 and 3).
11. Check for continuity.
Is continuity indicated?
YES Proceed to step 12.
NO The switch is faulty; replace the switch.
12. Place the switch in the OFF (middle) position.
13. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 14.
14. Place the switch in the (5) position.
15. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 16.
16. Connect test leads to the switch terminals (6 and 7).
17. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 18.
18. Place the switch in the (4) position.
19. Check for continuity.
Is continuity indicated?
YES Proceed to step 20.
NO The switch is faulty; replace the switch.
20. Place the switch in the OFF (middle) position.
21. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 22.
22. Connect test leads to the switch terminals (7 and 8).
23. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO Proceed to step 24.
24. Place the switch in the (5) position.
25. Check for continuity.
Is continuity indicated?
YES Proceed to step 26.
NO The switch is faulty; replace the switch.
26. Place the switch in the (4) position.
27. Check for continuity.
Is continuity indicated?
YES The switch is faulty; replace the switch.
NO The switch is good.
TN1966
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