I mounted the antenna on the spare tire mount of my '78 and ran the coax into the truck along the gap where the hardtop meets the tub. I caulked it in place. It's been that way for 20 years and the cable is not chafed or worn.
Steve H. - KE0KNH
Colo Springs, CO
'78 FJ40, '89 FJ62, '98 4Runner