What causes alternator to overcharge?
What causes alternator to overcharge?
Improperly jump-starting the vehicle can send a surge through the battery that destroys one or more cells in the battery or shorts it out. This surge disrupts the wiring in the alternator, causing an overcharging condition.
Can a new alternator run over 14.5v?
Bought a replacement alternator but I am sending it back as I measured and have seen it running over 16.5V. The manual says the regulator should keep it to a max of about 14.5V. I put a brand new and fully charged battery in at the same time the alternator was changed, so I don’t think the battery can be blamed.
Is the alternator charging at 18 volts or 23?
Alternator charging at 18 volts, replaced alt and didn’t fix. Have read some other answers on similar problems, blue wire reads 18 volts, green wire reads.23 volts? have the same problem?
What should the voltage regulator be for an alternator?
The manual says the regulator should keep it to a max of about 14.5V. I put a brand new and fully charged battery in at the same time the alternator was changed, so I don’t think the battery can be blamed.
What should the voltage be on a Jaguar alternator?
It depends on the car and the age. You don’t specify make and model, but on Jaguars the charge control is matched to the “newer” type of battery which is calcium based and the voltage can be higher 15.5v during parts of the charging cycle.
Why is my alternator putting out 17 volts?
Why is my alternator putting out 17 volts? It may be that the regulator is packing up and the alternator is going to max. unregulated output because of a bad battery output voltage (alternator input) connection between the battery and the alternator.
Can a racing alternator be installed in a stock car?
High performance or racing alternators should not be installed on stock passenger vehicles. The external regulator, usually mounted on the engine firewall or fender well, supplies current to the internal rotor field coil inside the alternator. It regulates the amount of electricity that the alternator needs to perform at different speeds.
How can I upgrade my alternator to single wire?
To upgrade from a three-wire externally-regulated alternator to a single-wire internally-regulated unit, you first need to procure one that’ll fit the bracket on your engine and have the pulley align correctly with the other accessories that run off the same belt. There are two ways to do this.
Where is the external regulator on an alternator?
External Regulator The external regulator, usually mounted on the engine firewall or fender well, supplies current to the internal rotor field coil inside the alternator. It regulates the amount of electricity that the alternator needs to perform at different speeds.
