i would say it sounds like a leaking internal matrix or conrol box, are the carpets damp? one of my previoue jags had this problem and also when i put blower on it was something to do with the ati freeze in it that made windscreen gum up. might not be but worth checkin if nothing else works
hello people. ive been into jags for over 9 years now , 1989 xj6 4ltr, 1988 daimler xj6 3.6, 1992 xj6 3.2 and currently just bought my first 1995 x300 4ltr lwb which i run along side my 92 xj6 4ltr. i absolutly love them to bits and ive had a lot of cars these are the best for power and comfort. :D :D