TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 354 of 1275
TM 9-2350-311-20-1 3-3 TROUBLESHOOTING CHART — CONTINUED u. SERVICE HEADLIGHTS, TAILLIGHT, AND STOP (5) STOP LIGHT FAILS TO OPERATE; ALL OTHER LIGHT CIRCUIT — CONTINUED LIGHTS OPERATE — CONTINUED CONTINUED FROM STEP B 1. Place a jumper wire from lead 75 to lead 75 at stop light switch. 2. Turn MASTER switch ON and check stop light for operation. 3. Turn MASTER switch OFF. Does stop light operate? Replace stop light switch (para 8-37). 1. Reconnect both leads 75 to stop light switch 2. Disconnect bulkhead-to-driver’s instrument panel wiring harness from main light switch. 3. Place a jumper wire from socket F (lead 15) to socket K (lead 75). 4. Place red lead of multimeters in socket A (lead 75) and black lead to ground. 5. Turn MASTER switch ON, press brake pedal, and check for voltage. 6. Turn MASTER switch OFF. Is voltage present? Repair or replace lead 75 of I bulkhead-to-driver’s instrument panel wiring harness (para 8-50). CONTINUED ON NEXT PAGE 3-254