TM 9-2320-272-24-1
Table 2-3. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test 7.
Test continuity of protective control box harness.
Step
1. Set parking brake (TM 9-2320-272-10).
Step
2. Place transmission in neutral.
Step
3. Disconnect lead 498 at neutral start switch.
Step
4. Connect multimeter positive lead to contact end of lead 498 and negative lead to contact
end of lead 498 at neutral start switch.
a. Multimeter should indicate continuity. If continuity is not indicated, repair broken
lead 498 (para. 3-131).
b. If continuity is indicated, connect lead 498 to start switch (pin S) and go to step 5.
Step 5. Disconnect lead 499 at neutral start switch.
Step 6. Connect multimeter positive lead to neutral start switch contact end of lead 499 and
negative lead to neutral start contact end of lead 498.
a. Multimeter should indicate continuity. If continuity is not indicated, replace neutral
start switch (para. 3-98).
b. If continuity is indicated, connect lead 498 to neutral start switch and go to
step 7.
2-115
