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 271 of 1275

TM 9-2350-311-20-1
CONTINUED FROM STEP C
D
1. Reconnect lead 27 to circuit breaker output.
2. Disconnect battery ground leads.
3. Disconnect portable instrument panel wiring
harness from portable instrument panel
disconnect.
4. Place a jumper wire from socket C (lead 459)
to socket P (lead 459B).
5. Place red lead of multimeter in socket A
(lead 27) and black lead to ground.
6. Reconnect battery ground leads.
7. Turn MASTER switch ON and check for
voltage.
8. Turn MASTER switch OFF.
Is voltage present?
I
Repair or replace lead 27 of driver’s
bulkhead-to-portable instrument panel
wiring harness (para 8-49).
I
Repair or replace lead 40A of portable
instrument panel wiring harness (para
8-57).
3-171


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