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 237 of 1275

TM 9-2350-311-20-1

(1) MASTER WARNING LIGHT FAILS TO OPERATE

WITH MASTER SWITCH ON AND ENGINE OFF

General mechanic’s tool kit (item 64, Appx H)

Two

Multimeters (item 36, Appx H)

TA-1 probe kit (item 43, Appx H)

Equipment Conditions

(Long test leads may be needed for some tests;

Transmission access doors open (TM 9-2350-311-10)

16 AWG wire may be used as an extension.)

Engine access grille open (TM 9-2350-311-10)

Replace LED (para 8-17).

3-137