Question by J G: Car Service?
had a recent car service
TWO thing i dont know what it is
1. battery failed smart test?
2. l/h/f parker?
does anyone know what they are?
1. what is the smart test?
2. what is it?
lighting system? can you be a little more specific?
i get it, my bettery is getting old.
Answer by john mElectronic tester make load on the battery internal cells.
and also at the same time test the alternator and the alt. internal diode.(in my opinion is