it may not be the cb or the wiring it self. it may be a short somewhere else in your vehicle that is causing this problem... i had a similar issue, a blew a fuse in the main fuse box in the engine bay how ever it was nothing of the sort, it was a ground wire for my amp in back. it may not always be the obvious... check other electric connections that you have worked on in the passed and find irregularities. wires that dont look right. coloration or something of the sort.