TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM9-2350-311 -20-1 3-3 TROUBLESHOOTING CHART — CONTINUED ad. PARKING BRAKE WARNING LIGHT CIRCUIT — PARKING BRAKE WARNING LIGHT FAILS TO OPERATE CONTINUED Tools General mechanic’s tool kit (item 64, Appx H) Multimeter (item 36, Appx H) TA-1 probe kit (item 43, Appx H) Personnel Required . Two Equipment Conditions . . Engine compartment access door open (TM9-2350-311-10) Transmission access doors open (TM 9-2350-311-10) Driver's instrument panel released (para 8-17) A 1. Remove LED from PARKING BRAKE warning light (para 8-17). 2. Place red lead of multimeter in center contact and black lead to ground. 3. Turn MASTER switch ON, apply brake pedal, and check for voltage. 4. Turn MASTER switch OFF. Is voltage present? I I Replace PARKING BRAKE warning light bulb (para 8-17). CONTINUED ON NEXT PAGE 3-320