4 Runner 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1989)
Alternator Lamp/Indicator: Testing and Inspection
Warning Light Does Not GO Out W/Engine Running
1.
Worn or loose drive belt.
2.
Loose, corroded or worn battery cables.
4.
Blow fuse.
5.
Faulty alternator.
6.
Faulty IC regulator.
7.
Faulty wiring.