you should be able to easily find a harness for the AD trucks that includes the wiring for the later column, as well as the V8 with alternator ... check the links pages above, or cruise the posts in this forum for recommendations
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics