Originally Posted by Clinton
Most likely the fuse, It has happened to me. If it is just put a higher amp fuse in
Well, blindly putting in a higher amp fuse isn't really the answer unless it was too low to begin with. The switch circuit should be 3 amp at the most.
For the primary power to the relay:
Two 55 watt lights should be fused at 15 amps
Two 100 watt lights should be fused at 20 amps
Two 130 watt lights should be fused at 25 amps