TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
m. BILGE PUMP (continued).
(1) BILGE PUMP DOES NOT OPERATE. All other
electrical systems operate (continued).
CONTINUED FROM A
B.
1. Reconnect wire 452 to bilge pump.
2. Disconnect harness 10921380 from bilge
pump relay.
3. Place red lead of multimeter in pin C and
ground black lead.
4. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
5. Check for 24 + 3 vdc.
6. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated?
GO TO STEP 1
C. 1. Use a jumper wire to connect harness
10921380 pin C to pin B wire 452.
2. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
3. Check bilge pump for operation.
4. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Does bilge pump operate?
Repair wire452 or replace wire harness
10921380 (para 7-43). Verify problem
is solved.
Continued on next page
2-231