TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 402 of 926
TM 9-2320-283-20-1
TROUBLESHOOTING.
2-11. TROUBLESHOOTING PROCEDURES (Continued).
MALFUNCTION
INSTRUCTION
INDICATION
YES
NO
84.
DOME LAMP NOT WORKING (Continued).
6.
Remove relay RY-8
(para 3-112), and go
to step 7.
7.
Check for voltage at
12-volts dc
Go to step 8.
Repair circuit
circuit 15D-OR ter-
nominal.
15D-OR (para
minal of relay con-
3-127).
Install
nector.
relay RY-8 and
circuit breaker
bracket (para
3-112 and
3-114).
8.
Connect jumper wire
between circuit 15D-OR
and pin 30 on relay
RY-8, and go to step 9.
9.
Check for voltage at
12-volts dc
Install relay
Replace relay
pin 87A of relay RY-8.
nominal.
RY-8 and
RY,8 (para
circuit breaker
3-112).
Install
bracket (para
circuit breaker
3-112 and
bracket (para
3-114), and go
3-114).
to step 10.
10. Disconnect circuit
15C-YL from 15-YL at
connector, and go to
step 11.
11. Check for voltage at
12-volts dc
Repair circuit
Repair circuit
circuit 15G-YL ter-
nominal.
15-YL (para
15C-YL (para
minal of connector.
3-127).
3-127).
2-276
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