XHORSE XDNP48GL Delphi 48 Welding-Free IMMO Box Adapter For Old Great Wall Cars. 1pc x XHORSE XDNP48GL Delphi 48 IMMO Box Adapter. Xhorse XDNP48 Connection Diagram This product can read the Delphi IMMO box data on old Great Wall cars, and can be used to add 48-chip k-eys or do all k-eys lost matching for the old Great Wall cars.