2002 road king horn wiring were due both leads connect to

2002 FLHRCI

High beam is white
low beam is yellow
ground is black

got to main harness connector

You have some kind of accessory overload or a bare wire that shorts every once in a while.

1 ,plugs can breakdown and track to earth,2,the ecm does not like too much heat and can switch itself off,3,the ignition leads can track to earth,4,a connection can work loose .I used a 92 883 sporter hugger in spain for 10,000miles and had a few connections come loose.Ive been biking for 49 yrs and owned 38 bikes.and now building a 82 yam xj650 trike,ken

Is it off at the horn? If it is then there should be a terminal on the horn to connect it to. If it is off at the end that goes to ground on the frame it just needs to be hooked to a good ground location, usually on the the other side of the rubber mount to the horn.

I'm not sure where it's located on this late model but if you follow your spark plug wires from the spark plug up to the other end, you should find the coil. Most of the earlier RK have the coil on left side of the bike behind the horn. The horn is located on the left side between the "V" of the cylinders.

Behind the left side cover