Get the performance you need with the THUNDERMAX CONTROLLER W/HARNESS, available now at Knobtown Cycle. Kansas City’s trusted source for quality motorcycle parts.
Product Description
CONTROLLER W/HARNESS
- Allows a dual-filament bulb to be used in three ways: tail, brake and turn signal (excluding the need for a center brake light); includes ribbon cable for integrating generic indicator lights
- Performs all fuse, relay and signal-canceling functions in one simple package
- Weather-resistant connections for trouble-free use in extreme environments
- Trim-to-fit harnesses allow installation on most custom bikes
- Compact design makes it easy to hide on a custom motorcycle
Part Locations
| Location |
Available |
| Wisconsin (WI) |
1 |
| New York (NY) |
1 |
| Texas (TX) |
0 |
| Nevada (NV) |
3 |
| North Carolina (NC) |
0 |
| National Total |
5 |
Stock levels last updated: December 26, 2025 4:55 AM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
Reviews
There are no reviews yet.