Absolutely not necessary just for led lights. CB, I'd run new wire... but those leds can be run without issue. I ran mine to the switched power and ground wires in the stereo harness... two strips of leds in each footwell. Worked fine with no issues. Only ran a dedicated supply later because.... well.... fatboy likes overkill lol.
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Sent from my A200 using Tapatalk HD
1978 F250 2wd (460 c.i.d. / C6)- soon to give up the powerplant to an '80-'86 F150
White 2000 Grand Prix GT coupe One still slow and loud... other one scoots just a bit.