Cobra Brake Light Dimming

[FusionWolf]

I recently bought 6 cobra t6 dummy heads from Nic at FEVER. These lights are going to be mounted on my roof rack on my Xterra to essentially make a low profile cobra 600.

I want to tap into the 2 end lights to make them act as aux brake lights. But due to overheating and the blinding factor, I need these lights dimmer. They will not function as running lights just brake lights. Now I know I need a resistor to dim these, but what size?
I tried a 1w 100ohm but that only allowed half the light head to activate. But was the desired brightness a 1w 10ohm didn't do anything and got way to hot. What do you guys recommend. Want to steady burn at maybe 60-70% the standard brightness

 

[Jarred J.]

see if this thread helps..
http://elightbars.org/forums/threads/dimming-feniex-cannon.68787/

 

[FusionWolf]

see if this thread helps..
http://elightbars.org/forums/threads/dimming-feniex-cannon.68787/

I did read that thread prior but really didn't get an answer becuase it went into the discussion of using them as parking lights. Resistors are a new thing to me no not really sure what I need.
Do I need a 3w resistor?
And if 75 ohms bring it down to parking lights does that mean I need a 37ohm?

 

[Houston Amateur Radio]

A 37 ohm 1/2 watt resistor should work fine for the brake light, i used this size for the marker lights i did before i found out about trying the 75 ohm ones. Me personally i wouldn't dim down a aux brake light, you are trying to get their attention and its only going to be steady burning while your foot is on the brake.

 

[FusionWolf]

A 37 ohm 1/2 watt resistor should work fine for the brake light, i used this size for the marker lights i did before i found out about trying the 75 ohm ones. Me personally i wouldn't dim down a aux brake light, you are trying to get their attention and its only going to be steady burning while your foot is on the brake.

Only 1/2watt? The unit wouldn't fully light with a 1w. I was thinking a 3w 37 or 47 ohm

37ohm I think would be good dimming. I normally wouldn't dim but these get hot very quick and with the intense brightness of the lights they will be blinding to people. So for safety I think they can stand to be just a bit dimmer

 

[Houston Amateur Radio]

I would do the 3 amp to be on the safe side.