When to wire an external alternator regulator to an alternator?

If your alternator does not charge, or your alternator was overcharging, it will most likely fail. To resolve this problem you can actually wire in a external alternator regulator, which allows convenient switching to your internal regulator once your power module works.

Is the alternator internal or external regulated in a Delco?

From what I’ve read on the internet I believe that the alternator is a Delco 10SI that is INTERNALY regulated. The wiring under the hood is still original except for where the main alternator lead was lengthed to go to the volt gauge under the dash.

How to convert an alternator to one wire?

The internal electronics are bypassed. 2. Modify one of the brush connection points so it is removed from the alternator B+ output terminal and is instead connected to the alternator chassis ground. One-wire alternator, end cover and armature removed. Note the three-prong connector that’s integrated into the regulator. The regulator modification

How do you connect a J2 switch to an alternator?

Now connect the green wiring starting from the regulator down to the identified green field wire, the regulator blue wiring towards the blue (“J2” switched 12v) and lastly the black ground wire towards the alternator field wire. Secure the joints with an electrical tape; do this thoroughly.

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.

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.

What’s the problem with an externally regulated alternator?

The problem with externally regulated alternators is several-fold. First, the external regulator is mechanical. It has contact points that open and close 10–20 times per second to take the alternator’s native 17-ish-volt output, turn it on and off quickly, and average it down to roughly 13.5 volts.

When to wire an external alternator regulator to an alternator?