MikeHunt79 0 Posted March 3, 2007 (edited) Even with the engine running, my brake lights are getting 10.5v. Is this normal? Surely they should be 12v? Not normally a problem, but I've got some LED's for a high-level brake light, and they are rather fussy about the voltage. IE, they don't work. I guessing it's probably just the old wires causing the voltage drop? Edited March 3, 2007 by MikeHunt79 Share this post Link to post Share on other sites