TM 5-3805-262-20
3-12. SENDING UNITS TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. PARKING BRAKE SWITCH DOES NOT OPERATE (Cont).
S t e p 1 . ( C o n t ) .
Start and operate engine until air pressure gage indicates in green
area, then shut down engine.
Pull parking brake control out.
Multimeter should indicate continuity.
a. If multimeter indicates continuity, go to step 2 below.
b. If multimeter does not indicate continuity, replace parking
brake switch (page 5-48).
Step 2. Push parking brake control in.
Multimeter should indicate no continuity (open circuit).
a. If multimeter does not indicate continuity, refer to page 3-73,
MALFUNCTION 4.
b. If multimeter indicates continuity, replace parking brake switch
(page 5-48).
3-97