You can make a test antenna with a four foot piece of hookup wire. Bare about 1/4" and plug that into the middle hole in the antenna socket.

What model of radio and truck are you working with?


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!