Scott, Jon G's description is spot on. wink Just in case it may help you and anyone else reading this thread in the future (a picture is worth a 1000 word - lol), see your edited pic below. Red arrow = Voltage Regulator / Green arrow = Horn Relay / Blue arrow - Fuse Box
Hope this may add in the help department. smile
Attachments
Scotts pic edited.png (591.36 KB, 174 downloads)



~ Dan
1951 Chevy 3 window 3100
Follow this story in the DITY Gallery
"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)