Eastern Beaver Headlight Relays Relays can help increase the life of a stock motorcycle headlight bulb and switchgear. An electrical relay is basically a remotely controlled switch that’s turned on ...

For example, the factory wiring to each bulb on a C5 appears to be 16-gauge. We fed the relays with a much larger 10-gauge wire and then each individual bulb with 12-gauge.

Photo 1: Non-relay version of headlight modulator. Note two pairs of male and female three-pronged connectors. The light sensor is not visible in this photo. The back of an H4 headlight bulb has three ...

We powered each relay with a 10-gauge feed from a fused distribution block and added a common ground stud to the rear of the headlight bucket assembly so all the extra ground wires from the bulbs ...

Since past 12 years plus, I was using 100/90W Philips Rallye bulbs with a Roots relay wiring kit which served me extremely well, but with time, ...