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Electrical
Riding your Polaris RZR 4 through mud, water, or unfavorable weather could lead to potential electrical issues. However, there are some measures you can take to reduce the likelihood of these issues occurring. Applying dielectric grease to your electrical plugs and painting all of the connections can protect your RZR 4 from electrical problems. Once you have painted everything, you can also use Anti-Seize, which is commonly used in long-distance semi freighters by truckers, to prevent corrosion, galling, and seizing. This proprietary blend of graphite, aluminum, and copper lubricants can be applied to the battery, ensuring that it stays in good condition. Taking these steps can help you keep your Polaris RZR 4 in optimal condition, preventing electrical issues during your UTV tenure.
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Another option many riders use to safeguard the electrical system of their RZR 4 is to relocate components like the voltage regulator and fuse box. You can buy a relocation harness to move such components to the firewall behind the fan. The number three wire plugs directly into the RZR, while the red and yellow wires go to solenoid and ground on the regulator end. You shouldn't have to do any splicing with such relocation harnesses, without which the wiring becomes a pain in the a$$. You can also keep mud out of the regulator and fuse block by relocating them under or behind the rear seat. The only caveat is that there may not be enough ventilation and things tend to get hot. So if you choose to go this route, you can put a little computer fan or something similar on it to maintain airflow and keep things cool. Alternatively, moving your regulator to the middle/center inside between the seats is an option. But if you run snorkels and/or a bump seat, chances are that this space is already taken up. But regardless of what accessories you run, upgrading your RZR's electric system, tweaking the placement of electric components, and replacing electric parts that have gone bad are all ways to ensure the proper functionality of your RZR's electric system and the machine as a whole.
