As vehicles become more computerized and electrified, the electrical system in the Can-am Defender plays a crucial role in its performance. The battery and bus bar power all electric accessories like lights, stereos, and winches, but the electric system does more than that. A short circuit or faulty connection can cause maintenance lights to come on, rendering the UTV unusable at best, and causing electric fires that result in destruction at worst. Even minor issues like leaking seals or condensation can cause the Engine Control Module (ECM) to become wet, or cause the UTV to go into limp mode, restricting speed to 10-15 MPH. To avoid such mishaps, it is crucial to check the engine harness as it wraps down the front of the vehicle, and goes through the firewall to plug into the ECU under the seat. Contact your dealer or mechanic for assistance.

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When it comes to diagnosing electrical issues in a side-by-side, there are a few things that often the culprit. If the problem is intermittent, randomly coming and going, the first thing to check for is chaffed, pinched, or burnet wires. Corrosion on wire connecters is another common issue in UTV electric systems, and bad grounds happen a lot as well. The stator in the motor and the rectifier are also potential problems. Something as simple as a broken or cracked magnet on the fly wheel can cause all sorts of issues in the Can-am electrical system. To proactively protect your Can-am Defender’s electrical system, we’d suggest putting some dielectric grease on all the terminal connecting points to prevent rust, corrosion, and water damage. You don’t apply the grease right on the connection, but rather, the ribs of the weather seal to prevent water intrusion. A very small amount of dielectric grease applied to the pins is ok to prevent corrosion, but the weather seal itself is designed to keep moisture out to prevent corrosion. The dielectric grease on the weather seal ribs not only completes a 100% sealed connector, but also lubricates the seal to prevent possible seal damage from the disconnect and reconnect process of the connector itself. Regardless of what you need to protect, replace, or repair in your Can-am Defender’s electric system, we here at Everything Can-Am Offroad have the parts, equipment, and tools to keep your machine’s electric system running right.