Originally Posted by
Will @ M Developments
Is the charging voltage regulated by the ECU?
Can the alternator run correctly if the warning light is absent from the dash?
Is there a way of running the alternator without either of the above?
Just trying to clear up some urban myths/speculation and get some facts
The Voltage is regulated by the ecu.
The wiring is well known for going faulty aswell,causing a drop in charging voltage.