depending on the year of your escort will depend on which connector you need bt the radio you have has the iso plug so it will plug straight into the back

just go to halfords ask for the connector lead for your car will be about 15 quid if you canlook at the connectors in your car first yo will be able to see the sahpe of what you need

this is a link to the sort of thing you need
http://www.halfords.com/webapp/wcs/s...%7Crpp%7C%7C30