TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 411 of 1275

TM9-2350-311 -20-1

CONTINUED FROM STEP G

I

K

1. Reconnect lead 450 to BILGE PUMP switch

output.

2. Disconnect bulkhead-to-driver's instrument

panel wiring harness from driver’s bulkhead.

3. Place a jumper wire from pin H to socket H

(lead 459).

4. Place red lead of multimeter in socket K (lead

450) and black lead to ground.

5. Turn MASTER and BILGE PUMP switches

ON and check for voltage.

6. Turn MASTER and BILGE PUMP switches

OFF.

Is voltage present?

I

I

m

Repair or replace lead 450 of

bulkhead-to-headlights/bilge

pump wiring harness (para 8-47).

Repair or replace lead 450 of

bulkhead-to-driver’s instrument

panel wiring harness (para 8-50).

END OF TASK

3-311