- for fault diagnosis of 12V battery and charging systems
- easy to use, just connect and check indicator lights
- LED's are electronically controlled
- 3 LED's for battery test:
- LED red = battery empty or defective
LED yellow = battery OK
LED green = battery very good
- 3 more LED's for alternator test:
LED green = charging system OK
LED yellow = charging system OK
(maximum charging voltage)
LED red = charging system is not OK
(it may damage the battery
and other parts of the electric system)