HI There:
It sounds like the connection inside the batter housing there is two or three connections they my have broken look at the diagrams on this website this will help you
ttp://www.mtmc.co.uk/product.asp?numRecordPosition=1&P_ID=18930&strPageHistory=cat&strKeywords=&SearchFor=&PT_ID=12705988
I am retired Joiner plumber/election/builder.
(LT West Yorkshire)
trampus09, October 2009