Check the connectons too, my jeep the dimmer switch was real flickery so, when i was diagnosing another problem i think it was tailights ha, i just unplugged the dimmer switch it was all corroded up, so i cleaned the poles and put some di-electric grease in there to help keep out the moisture and it works fine now, even does the low glow mighty fine!!
1994 Jeep Wrangler-4.0 h.o,5 speed tranny, 2.5 bd springs 1' shackles, rear richmond locker, and a whole bunch of other goodies.
1994 jeep wrangler- 4.0 h.o,5 speed tranny,winch,front bumper,kc lights,spectra intake, the stocker!
If You Have The Nuts Follow My RUTS!