original radio on 12V?? if you haven't added a voltage reducer to the power feed, good luck grin later 12V radios take a 7.5a fuse, so you could start there

Bill


Moved over to the Passing Lane

"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