Good Method to Add Wiring For Add-Ons
From my 1974 service manual, it looks like that is cavity M with a 20ga black wire. Shows as the brake warning lamp wire. Fused from cavity six in the fuse block with a 3 amp fuse.
From my 1974 service manual, it looks like that is cavity M with a 20ga black wire. Shows as the brake warning lamp wire. Fused from cavity six in the fuse block with a 3 amp fuse.
