How to filter noise in a 12v system introduced by an inverter?
run   individual    leads  from the   batteries to the  inverter  use   shielded cables   ground   the shields      run these in   metallic   conduit   ground  the conduit   put some large  capacitors in   parallel   with the inverter  dc   feed   and  finaly   if needed    put the  inverter in a   Faraday cage a copper   enclosure   and  ground   this