Curriculum
Module 02foundation
Starting & Charging
Diagnose starter, relay, alternator, smart-charging and battery-drain complaints using evidence under load.
Lessons
05
Estimated time
175 min
Completed
00/05
By the end of this module
Separate battery, cable, control and machine faults with a repeatable starting and charging test routine.
Lessons
5 total
- 07Complete starter motor diagnosisTurn the key: click, slow crank or nothing. Prove battery, cables, control circuit and starter before replacing anything.Members only35 min
- 08Starter relay and start-control circuitsStarter itself is good, but the trigger terminal never receives 12 V.Members only35 min
- 09Alternator testing properlyBattery keeps going flat but the alternator shows 14.2 V. Is the charging system definitely good?Members only35 min
- 10Smart alternators and battery monitoringEngine running and you only see 12.5 V. Old-school diagnosis says the alternator is bad — modern strategy may say it is completely normal.Members only35 min
- 11Battery-going-flat diagnosisCustomer fits two batteries and both go flat. Where do you start without wasting hours pulling random fuses?Members only35 min