Range Rover Vogue 2010 3.6 TDV8 Charging Issue

Can somebody help with a wiring diagram for 2010 Vogue 3.6 tdv8
chassis SALLMAM23AA307792

car has no alternator output,new alternator fitted by another garage before coming to us. none of the info i have relates to this car sadly.
anyone know any common faults on this year before going deeper, the alternator is proper burried

thanks guys