Good deal. Looks like 23 AWG is about 20 milliohms per foot, so 100' is about 2 ohms. That probably really did make a difference. Keyed up at 50W with the engine off would be the worst case and sounds like it worked fine.
'91 Pickup - Imelda
'08 Tacoma TRD - Donna
'09 Kawasaki KLR650
'12 Gunnar Rockhound 29
"Our task must be to free ourselves from this prison by widening our circle of compassion to embrace all living creatures and the whole of nature in its beauty. Nobody is able to achieve this completely, but the striving for such achievement is in itself a part of the liberation and a foundation for inner security. " --Albert Einstein