

Got home and investigated. It would appear that only one horn is working. Checked the fuses and found this

1980 Fuse box by itzebtze, on Flickr
Based on my manual the red fuse is 16 amp and should be in the first 3 from the left


1980 Fuse box labeling diagram by itzebtze, on Flickr

1980 Fuse box identifier list by itzebtze, on Flickr

16 Amp Ceramic Fuses by itzebtze, on Flickr
Questions are the following: should I put the 16 amp red fuses in the first 3 places? How in the world do I access the horns for removal?
I have never had an electrical issues in 1 yr of ownership.