Standard relays included with RIGID wire harnesses are 12V. If your project has a 24V electrical system, you will need to replace the 12V relay with a 24V relay for proper functionality.
Center High Mount Stop Light and Off-Road Light Wiring Harness
Professional Installation Recommended, RIGID Accessories
Professional Installation Recommended; RIGID Accessories
Rigid Industries 12V Relay
Rigid - 49012 - 12V RELAY
RIGID 12 Volt Relay
Universal Fit
12V RELAY
Universal