Harley 5 Pole Ignition Switch Wiring Diagram

If you own a Harley-Davidson motorcycle, it is essential to know how to install and wire a 5 pole ignition switch. This switch is responsible for powering up the motorcycle’s electrical systems and starting the engine. In this article, we will provide you with a detailed guide on how to wire a 5 pole ignition switch, including a wiring diagram, FAQ, and tables.

Understanding the Harley 5 Pole Ignition Switch

The 5 pole ignition switch is often used in Harley-Davidson motorcycles. It consists of five terminals, each of which provides a different function. The terminals are labeled M, G, A, S, and C. The M terminal is for the starter motor, the G terminal is for the ground, the A terminal is for the accessory power, the S terminal is for the ignition switch, and the C terminal is for the regulator/rectifier.

The ignition switch is responsible for supplying power to the motorcycle’s electrical systems, including the lights, horn, and ignition. When the ignition switch is turned on, it sends power to the starter motor, causing it to turn over the engine.

Wiring Diagram for Harley 5 Pole Ignition Switch

Below is a wiring diagram for the Harley 5 pole ignition switch:

Terminal Wire Color Function
M Green Starter Motor
G Black Ground
A White Accessory Power
S Yellow Ignition Switch
C Red Regulator/Rectifier

It is essential to follow the wiring diagram accurately to ensure the ignition switch functions correctly and safely.

Installation of Harley 5 Pole Ignition Switch

The installation of the Harley 5 pole ignition switch is a relatively straightforward process. However, it is vital to disconnect the battery before beginning to prevent any electrical shocks or damages to the motorcycle’s electrical system.

Step 1: Remove the Old Ignition Switch

Remove the old ignition switch by disconnecting the wires and unscrewing it from the motorcycle’s frame. Be sure to label the wires according to their respective terminals to avoid confusion during the installation of the new ignition switch.

Step 2: Install the New Ignition Switch

Using the wiring diagram, connect the wires to their respective terminals on the new ignition switch. Once the wires are connected, screw the new ignition switch onto the motorcycle’s frame.

Step 3: Reconnect the Battery

Reconnect the battery and turn the ignition switch to the “on” position to test if the motorcycle’s electrical systems and starter motor are functioning correctly.

FAQ

What is the purpose of the 5 pole ignition switch?

The 5 pole ignition switch is responsible for powering up the motorcycle’s electrical systems and starting the engine.

Why is it essential to disconnect the battery before installing the ignition switch?

Disconnecting the battery before installing the ignition switch prevents any electrical shocks or damages to the motorcycle’s electrical system.

How do I know which wire goes to which terminal on the ignition switch?

Referring to the wiring diagram is essential to ensure the wires are connected to the correct terminals on the ignition switch.

Conclusion

Wiring a 5 pole ignition switch is a crucial task for any Harley-Davidson motorcycle owner. It is crucial to follow the wiring diagram accurately and disconnect the battery before beginning to ensure a safe and successful installation. Refer to this article for a wiring diagram, guide, and FAQ on how to install and wire a 5 pole ignition switch.