TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
h. LIGHTS (continued).
(8) PARKING BRAKE INDICATOR LIGHT FAILS TO
OPERATE. Parking brake is set (continued).
CONTINUED FROM A
B.
1. Disconnect wire 509E from parking brake
light.
2. Place red lead of multimeter on wire 509E
connector pin and ground black lead.
3. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
4. Check for 24 ± 3 vdc.
5. Turn off MASTER switch (refer to TM 9-
2350-287-10).
Is voltage indicated?
Replace parking brake light assembly
(para 7-9). Verify problem is solved.
C. 1. Reconnect wire 509E to parking brake
light.
2. Disconnect wire harness 12260287 wires
509E from parking brake warning switch.
3. Place red lead of multimeter on wire 509E
(connector wire 509E from circuit breaker
panel) and ground black lead.
4. Turn MASTER switch ON (refer to TM 9-
2350-287-1O).
5. Check for 24 ± 3 vdc.
6. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated?
Replace parking brake warning switch
assembly (para 7-20). Verify problem IS
Continued on next page
2-161
solved.
