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CHARGING SYSTEM ENGINE ELECTRICAL 16-8 REGULATED VOLTAGE TEST M1161001100473 This test determines whether the voltage regulator test. • Alternator installation • Check that the battery installed in the vehicle is fully charged. (Refer to , GROUP 54A − Battery − On-Vehicle Service.) • Drive belt tension (Refer to , GROUP 11A − On-Vehicle Service.) • Fusible link • Abnormal noise from the alternator while the engine is running 2. Turn the ignition switch to the "LOCK" (OFF) position. 3. Disconnect the negative battery cable. (MB991519) to connect a digital voltmeter 5. Connect a clamp-type DC test ammeter with a range of 0 − 150 A to the alternator "B" terminal output wire. 6. Reconnect the negative battery cable. check that the reading on the voltmeter is equal to 9. Turn all lamps and accessories off. the alternator output current alternator becomes AK304844 AB Battery Ignition Engine-ECU Ammeter (clamp-type) Load Black MB991519 Voltmeter (digital-type) Red Yellow Blue Alternator B FR L S G Charging Combination meter + - + - |