Hello, I joined specifically for this...
How can you leave me hanging?!?!? My 1990 k75s right turn signal acts as four way (do have a four way switch which is acting funny too), horn stopped working also. Have checked and replaced fuses 3 and 7, back run the starter several times, and still no fix. Am thinking I'll check all the grounds but 1991k100rs what was your final fix. I would love to take advantage of your digging to save me some time.
If you're still around I would love to hear what the final fix was (my next step would be the tail cowl ground...then I guess the switches and then the starter.) Thank you very much.
ps Johnny you crack me up... On Wisconsin!! (Milwaukee/Lancaster/Boulder Junction)