Question: What does the alternator hook up to?

Locate the terminal on the alternator labeled B, Bat or Pos. All alternators have this terminal. The wire that connects to it is red and goes to the battery. It is a heavy duty wire as it has to carry high current.

What wires go to an alternator?

The three wire types in a three-wire alternator include the battery positive wire, the voltage sensing wire, and the ignition input wire. The battery positive wire connects to the starter. The voltage sensing wire connects to the battery, and the ignition wire connects from the alternator to the key switch.

Where is the alternator connected to?

Youll find the alternator bolted to the side of the engine, its usually a large cylindrical component, with a fan (used for cooling) at one end. The fan-end of the alternator will be connected to the drive-belt, which is driven by the rotation of the engine. As the belt spins the alternator generates electricity.

Does the alternator connected directly to the 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.

What are the two wires on a alternator?

The second wire of the pair on Pin 2 of the alternator goes to the ignition. This permits power to begin flowing through the alternator as well as the other components of the car.

When a fusible link does its job, it will break the circuit continuity, which is akin to cutting the wire. That results in cutting off power to the component. A fusible link will blow, and folks will incorrectly diagnose a failed starter motor—turn the ignition key…and nothing will happen.

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