As a ham, I understand you not wanting to cut the antenna coax, but it is done all the time. Just use another crimp on PL259 at the radio connection. The power connection could be run from the cabin to the engine bay, assuming the wires are just bare copper on the battery end, then solder on the appropriate battery terminal. I agree, the front hood will give you the best performance because of the ground plane. A lot of CBers do not know about antenna performance and just mount it on rear bumper or tire carrier and accept lower radiation performance...but then, an antenna on front hood does not look cool. I run my 144/440 Mhz antenna in the center of my hood and I get great SWR and radiation...
08 JK 23S - Colorado Jeep Club No. 204
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"It takes a special kind of stupid to believe criminals will follow gun laws."
I do not consider myself a smartass. I point out the obvious, search for the truth, and speak fluent sarcasm. I am, by experience, an accomplished curmudgeon.