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This kit is compatible with models up to 2010 Softail, 2011 Dyna, and 2013 FLT/Touring and Sportster. If your motorcycle is equipped with the newer CAN-bus or HDLAN wiring system (typically 2011+), this extension kit will not be compatible. We recommend checking your owner's manual or consulting with our team to verify your bike's wiring system.
Installation is relatively straightforward for riders with basic mechanical knowledge. You'll need to disconnect your battery, remove the handlebar turn signals, connect the extension harness to the existing wiring, and route the extended cables to your new signal location. We recommend following Harley-Davidson wiring diagrams specific to your model year and having a service manual available during installation.
The MCS Turn Signal Wiring Extension Kit provides an additional 15 inches (approximately 38 centimeters) of harness length. This allows you to relocate your turn signals up to 15 inches from their original mounting points, making it ideal for higher handlebars, custom riser setups, and relocated signal configurations.
Absolutely. This extension kit is perfect for cafe racer projects where handlebar placement is often drastically altered from stock. Whether you're installing clubman bars, tracker-style bars, or simply repositioning signals for aesthetic reasons, this harness provides the reach you need while maintaining proper electrical function and safety compliance.
This extension kit operates on a standard 12V electrical system, which is the factory voltage for all compatible Harley-Davidson models listed in the fitment specifications. The harness maintains consistent voltage throughout its length, ensuring your turn signals function at full brightness.
Yes, this extension kit is universal for turn signal wiring and can be used with most aftermarket turn signal housings, as long as they use the standard OEM connector type. Always verify that your aftermarket signals use compatible connectors before installation. If you have specific compatibility questions, contact our team with your signal model information.
First, verify that your battery is properly connected and has sufficient charge. Check all wire connections to ensure they are secure and properly seated. Inspect the extension harness for any visible damage or corrosion. If signals still don't function, test your motorcycle's turn signal relay and circuit. If you need further assistance, our support team is available to help troubleshoot your installation.
The MCS extension harness is manufactured to OEM specifications and designed for outdoor motorcycle use. The wiring is properly insulated and connectors are sealed against moisture and corrosion. For maximum longevity, ensure all connections are secure, apply dielectric grease to connectors, and regularly inspect for any signs of wear. Proper installation and maintenance will keep this kit functioning reliably for years.
More questions? View all FAQs
The MCS Turn Signal Wiring Extension Kit is the essential solution for Harley-Davidson riders looking to relocate their handlebar-mounted turn signals or install higher-than-stock handlebars. This 15-inch extension harness provides the extra reach you need without compromising on reliability or appearance, maintaining factory-style aesthetics while giving you complete control over signal placement.
Whether you're building a custom cafe racer, bobber, or simply upgrading to risers, this extension kit ensures your turn signals remain fully functional and properly wired. The harness is constructed to OEM specifications, ensuring compatibility with your bike's electrical system and meeting all safety requirements.
Installation is straightforward for riders with basic mechanical knowledge, making this a practical upgrade for any DIY builder.
MCS has engineered this kit specifically for classic Harley platforms, ensuring perfect fitment and dependable performance. This is a must-have component for any serious customization project where signal relocation is part of your vision.
The MCS Turn Signal Wiring Extension Kit is the essential solution for Harley-Davidson riders looking to relocate their handlebar-mounted turn signals or install higher-than-stock handlebars. This 15-inch extension harness provides the extra reach you need without compromising on reliability or appearance, maintaining factory-style aesthetics while giving you complete control over signal placement.
Whether you're building a custom cafe racer, bobber, or simply upgrading to risers, this extension kit ensures your turn signals remain fully functional and properly wired. The harness is constructed to OEM specifications, ensuring compatibility with your bike's electrical system and meeting all safety requirements.
Installation is straightforward for riders with basic mechanical knowledge, making this a practical upgrade for any DIY builder.
MCS has engineered this kit specifically for classic Harley platforms, ensuring perfect fitment and dependable performance. This is a must-have component for any serious customization project where signal relocation is part of your vision.
Delivery time: 3–5 business days
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