2000 GMC 3500 HD AUTOLOADER, tow truck, wrecker

2nd owner, recently passed smog with no problem, inside and outside controls, 2nd owner, «go jacks», century 311 auto loader with extentable boom and ramsey winch, newly painted, all new led lights, new headlight buckets, led light bar, new front shocks, new bushings on front sway bar,, new alternator, new turn signal hazard switch, new ac compressor, new fuel pump and fuel filter, all new tires on dollys, tires are average with a new one on inner right rear, loader also comes with l arms and attachment for motorcycles, now the bad, reverse went out and does not back up, forward gears work fine