To hook up the new cable, you'll have to remove the car radio. Fixed-mast antennas are much easier to replace. Buy a universal kit (about $15) from any auto parts store. To install the new mast ...
Rather than grabbing an angle grinder to make a slot in the roof of his car, [Ben] created a ... but such are the oddities of radio. Is it a great antenna? By the numbers on [Ben]’s NanoVNA ...