I fitted one of these, wiring via a shunt..... easily done.
Available of ebay, try and find a UK supplier, China orders takes ages to arrive.
http://www.ebay.co.uk/itm/DC-6…1a05f3bb12
Available of ebay, try and find a UK supplier, China orders takes ages to arrive.
http://www.ebay.co.uk/itm/DC-6…1a05f3bb12