TM 9-2320-269-10
TROUBLESHOOTING TABLE - CONTINUED
ELECTRICAL SYSTEM - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Trailer brakes not working.
Step 1.
Inspect intervehicular harness connections (1) and (2) on rear of truck and trailer for corrosion, or
dirty contacts.
a. Disconnect truck 24-V receptacle (1), and the inter- vehicular harness socket (2).
b. Reconnect harness socket (2) into 24-V receptacle (1) making sure it is firmly seated and locked.
c. If trailer brakes fail to operate, notify organizational Trailer brakes lock up.
Trailer brakes lock up.
Notify organizational maintenance.
TA 222678
3-15