very simple
the electric winch to work well needs of 480/540 ampere
you suffice to put some serious batteries and an alternators from at least 220 ampere
see this alternators
http://www.autoelectricservice.net/i...N_high_amp.pdf
batteries
http://www.deaddogs.it/index.php?nam...iewtopic&t=415
And your winch will go swift like our ....too much fast and furious