Hi Manic01, hope you are well. Would this work ?
SKY Free To View DIGITAL TV VIEWING CARD - BLUE
A Few Helpful Instructions
Insert the card into the viewing card slot on the Sky box (This may be behind a drop down door ).
Press the "SERVICES" button on your Sky remote control
Quickly press "4" "0" "1" and then the SELECT button to enter the engineer's INSTALLER MENU
On screen select "NEW INSTALLATION"
Press SELECT button to continue through the settings
After the Channel Listing has completed press the SELECT button again
The box will indicate 'CALL BACK' - allow this operation to finish.
The box will then activate and your card will be paired to your box via the phone line.
Your Sky box must be attached to a working phone line to in order to activate the viewing card.