baja designs 20 led flicker over 13+v

Long story short I bought a used Baja Designs 20" LED light bar for my vehicle, a 2000 Honda CR-V, and after wiring everything up I am left with an issue. When the vehicle is not running and the voltage is around 12.85V the light operates perfectly. When I start the truck and the voltage goes up around 14.2V it flickers. When I run the truck and have all accessories ON and get the voltage down to around 13.3V the light is again fine.. What I am seeing essentially is that the light does not like much over 13V or so... I am not new to car electronics and I know all of my systems are operating properly and my battery and alternator are OK. I have a Kinetik battery less then 3 months old, the "big three" upgrade for my audio with 0G wire and the wiring harness for the light is wired directly to my battery terminals. I have consulted with Baja designs on this yesterday because I'm sure the light should operate on 10-15V without problems but the "Tech" I spoke with was not educated enough to help me resolve this issue and told me he would be having their "head engineer" consult with me sometime next week, but with the holidays approaching I'm figuring it may be awhile so I'm taking matters into my own hands for now.

What options do I have for limiting the voltage on the light wiring to 12-13V... I have searched around and couldn't come up with anything solid. It needs to be able to pass 15A safely I presume(that's what the fuse is rated for) so some of the cheap voltage regulators I looked at were only capable of doing 6 or 8A

any insight on the matter is appreciated, or if you have any other ideas or suggestions I'm very open to them, thanks!

put a voltage regulator or simply a resistor with heat sink to drop the voltage to around 13 volts.