universal kit should do the job for the mk1 'scort in fact if you use a 2 channel remote soem springs and orion boot lock solenoids you can unlock it and pop the door open all in one and bin the handles altogether 
as for checking remote box - try another remote first, less hassle and you'd be the first dodgy box yet
as for checking remote box - try another remote first, less hassle and you'd be the first dodgy box yet
