No clicking when pressing the horn, I will check the connection this morning. This diagram looks like the one in the truck but I’m not positive it’s the correct one.
78 GMC High Sierra
I replaced my turn signal cam and after installation the turn signals, brake lights and horn does not work. The emergency flashers work. When installing new cam I did hit the horn and think this might have something to do with this. Sorry in advance if this is a stupid...