TM 5-3805-262-20
3-12. SENDING UNITS TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. NEUTRAL START SWITCH DOES NOT OPERATE (Cont).
S t e p 3 . ( C o n t ) .
a. If multimeter does not indicate continuity, refer to page 3-62
starting system troubleshooting.
b. If multimeter indicates continuity, go to step 4 below.
Step 4.
Check transmission control lever cable adjustment (page 6-18).
a. Adjust transmission control cable (page 6-18).
b. Go to step 5 below if cable adjustment is okay.
Step 5.
Remove and test neutral start switch (page 5-133).
a. Replace defective neutral start switch (page 5-133).
b . I f n e u t r a l s t a r t s w i t c h t e s t s o k a y , r e i n s t a l l s w i t c h ( p a ge
5-134) and notify next higher maintenance level to replace
transmission control valve.
7. AIR PRESSURE SENDER DOES NOT OPERATE.
Remove and test air pressure sender (page 5-137).
a. If air pressure sender tests okay, reinstall sender (page 5-139)
and refer to page 3-79, MALFUNCTION 10.
If air pressure gage and wiring are okay, refer to page 3-120
air brake system troubleshooting.
b. If air pressure sender does not test okay, replace sender (page
5-137).
8. PARKING BRAKE SWITCH DOES NOT OPERATE.
Step 1.
Behind right instrument panel, at parking brake valve, disconnect
brown-red wire from terminal of parking brake switch.
Connect multimeter between parking brake switch terminal and ground.
3-96
