big thanks to ian ,he has put me right over a few pms
i am going to get a auto electriian who comes highly recommended to have a look at it over the next few days when he can fit me in .if he thinks the install is done correctly a decision will be made .
if he recomends something more up to date or in keeping with the use or non use which is more likely to be the case[

]i will certainly listen to what he has to say
thanks for the input chaps