I bought a feniex strobe unit to convert my cab lights and maybe a couple other lights to strobe. I have a 389. I wired the feniex to the output wire on my clearance light switch. They work great. Until I turn on my headlights or clearance lights, then they default to solid on. Unfortunately when I turn on my headlights the clearance lights come on and I lose my strobe. I realize these newer trucks use a negative signal to turn on some lights. Any advice on how to set this up so that I can run my strobes with headlights?
Using factory lights as strobes
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by tnc110, Dec 11, 2022.