14. BATTERY/CHARGING SYSTEM/ A.C. GENERATOR ATV 150/125 Regulator/Rectifier REGULATOR/RECTIFIER MAIN HARNESS CIRCUIT INSPECTION Remove the front fender. Remove the regulator/rectifier lock nuts and 5P coupler. Lock Nut REGULATOR/RECTIFIER INSPECTION Pink Black Green If the main harness terminals are normal, check the regulator/rectifier coupler for loose connection and measure the resistance between the regulator/rectifier terminals. · Do not touch the tester probes with your finger because human body has resistance. · Use the following specified testers for accurate testing. Use of an improper tester in an improper range may give false readings. Red Yellow - Kowa Electric Tester - Sanwa Electric Tester - Kowa Electric Tester TH-5H Probe · Proper range for testing: Probe(-) Black Pink Red Yellow Green - Use XK range for Sanwa Tester Black 4-7K 13-17K 4-7K 1-2K - Use X100 range for Kowa Tester Pink 4-7K · If the dry battery in the tester is weak, the readings will be incorrect. In this Red case, check the dry battery. Yellow 4-7K · The Kowa tester readings are 100 times the actual values. Be careful Green 1-2K 4-6K 13-17K 4-6K during testing. Replace the regulator/rectifier if the readings are not within the specifications in the table. 14-6