alternator

Forum: 

my chargeing light go off in low revs and on in full revs and alternator is chargeing also rear lights flash when indercators on any help out there please thanks john

Earth fault on the rear

Earth fault on the rear lights, the easiest way to cure it is to find the earth circuit in your rear light cluster, solder a length of wire on, fit the light and attach the new wire to a good earth on the vehicle body.

Alternator

Alternators have diodes inside them for AC rectification and voltage regulation purposes, if your charge light is coming on at high revs it may be an early indicator that one of these internal electrical components in the alternator is breaking down. Maybe by using a clamp meter or an alternator tester, you could rev the vehicle and see if the alternator is actually making current under high revs.

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