What kind of voltage regulator do I need for an alternator?
What kind of voltage regulator do I need for an alternator?
An electromagnetic voltage regulator with two switches, fitted to some older alternators. An older car may have a dynamo instead of an alternator.
When do I need to replace my voltage regulator?
This is possible because the modern voltage regulator is a sold-state device. When you have tested the charging system of a car fitted with an alternator , and the checks in How to test a car battery point to a fault in the voltage regulator , make sure that you need to replace it.
How do you change the voltage regulator on a Bosch alternator?
Reassemble the alternator, reconnect the battery, start the engine and test (See How to test a car battery ). Replacing an externally mounted regulator on a Bosch alternator.
What causes an alternator to over charge at 18 volts?
You are correct, 18 volts is much too high, but an alternator can not cause over-charging unless it is assembled incorrectly with one of the brushes grounded through its mounting screw. Over-charging is caused by the voltage regulator driving the alternator too hard. There’s two possibilities for this condition.
You are correct, 18 volts is much too high, but an alternator can not cause over-charging unless it is assembled incorrectly with one of the brushes grounded through its mounting screw. Over-charging is caused by the voltage regulator driving the alternator too hard. There’s two possibilities for this condition.
Where can I find the alternator regulator plug?
Both the regulator and its three-pronged plug can simply be left in the engine compartment to retain the appearance of originality. A very minor adaptation is needed to connect the D+ line from the dashboard warning light to the back of the new alternator. D+, as I said, is one of the three wires in the three-prong connector.
Can a mechanical alternator be replaced with a solid state regulator?
While you can purchase a newer solid-state regulator to replace the mechanical one, they are still external to the alternator and that creates the opportunity for problems. As I said, there are three wires connecting the alternator and regulator. Each has a female spade connector on both ends.
What kind of Kit do I need to rebuild my alternator?
Alternator Rebuild Kit 2004-2005 Toyota Rav4 A/T Voltage Regulator, Brushes & Bearings with Denso 100 Amp Alternator – 11088RK Alternator Rebuilt Kit; Voltage Regulator, Brushes, & Bearings for 2009-2010 Infiniti M35 FX35, 2008-2010 G37 EX35, 2014-2016 Q50 Q70 (Ref# A3TJ1991) – 11340RK
