HORN FAILS TO OPERATE.

Section XXVI. HORN AND BACK-UP ALARM TROUBLESHOOTING.

BACK-UP ALARM FAILS TO OPERATE WITH TRANSMISSION IN REVERSE. (cont)

TM-5-3805-261-20 Grader Heavy Road Motorized (Caterpillar Model 130 G) Manual
Page Navigation
504

TM 5-3805261-20 HORN AND BACK-UP ALARM TROUBLESHOOTING AND MAINTENANCE PROCEDURES. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION a. HORN FAILS TO OPERATE. If the horn assembly is damaged or defective--replace. Refer to paragraph 7-102. Step 4. Test the continuity of the horn switch (Figure 7-148). Connect one multimeter lead to the back of switch and one to ground. Figure 7-148 If the multimeter needle does not move, the circuit does not have continuity. Replace horn switch. Refer to paragraph 7-103. Step 5. Check the horn wiring harness. If the horn wiring harness is cracked, broken or corroded--repair. Refer to paragraph 7-116. If replacement is necessary, refer to paragraph 7-131. b. BACK-UP ALARM FAILS TO OPERATE WITH TRANSMISSION IN REVERSE. Step 1. Turn on service lights (refer to TM 5-3805-261-10). Step 2. Check circuit breaker number 60A. Reset circuit breaker. Step 3. Check fuse number 15A. If fuse is blown--replace. Refer to paragraph 7-63. 7-241

Privacy Statement
Press Release
Contact