40A Power Relay and Inline Blade Fuse for multiple safety protection. Inline blade fuse & 40A relay - multiple safety protection. This wiring harness is up to 10 feet and with 2 leads can hook up 2 light fixtures,it is universal fit for any 7" 10" 12" 20" 30" 40" light bars,espcially good for light bar within 180w.
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