How do you connect alternator wires?

0:134:33How to connect 2 wire Delco 10si and CS130 alternators - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the first thing you want to do is locate the connector that goes in the back. And its got aMoreSo the first thing you want to do is locate the connector that goes in the back. And its got a couple Spade connectors in there and these just simply plug into the back.

How does alternator connect to battery?

Attach a cable directly from the alternator output post to the positive side of the battery. This allows for full output from the alternator to the battery when heavy electrical demands are placed on the alternator. Wire the alternator controls.

How do you hook up a alternator to a voltage regulator?

How to Wire an Alternator Voltage RegulatorOpen the hood of your car. Remove the black battery cable from the cars battery terminal using a wrench. Locate the voltage regulator. Find the multi-wired harness nearby the alternator and voltage regulator. Insert the plug into the socket on the voltage regulator.

Do all alternators have voltage regulators?

Basically, the voltage regulator controls field current through the rotor, inside the alternator, in order to control alternator output. Without a voltage regulator, an alternator may put out up to 250 volts. The voltage regulator is usually found inside or on the back of the alternator case.

How many wires does an alternator have?

However, the majority of alternators have three or four terminals which wires connect to. Checking typical alternator wiring is a moderately easy task.

How do I know if my alternator has a built in voltage regulator?

If the pins are aligned like this ll on the rear, then it it is an external regulated alternator. Check for regulator under the washer bottle and/or bracket on the driver side of the radiator support. If the pins are aligned like this - - on the side, then it is an internal regulated alternator.

What does S and L mean on an alternator?

S terminal - Senses battery voltage. L terminal - Closes the circuit to the warning lamp. B terminal - Main alternator output terminal (connected to the battery) F terminal - Full-field bypass for regulator.

Do alternators have voltage regulators built in?

Some alternators required revving the engine to a certain RPM in order to excite the alternator so it would turn on and start charging. External voltage regulators are eliminated and built into the alternator itself.