check your mono valve, although blowing a fuse is not the usual symptom. Worth a look as it is an easy diy and check if the rubber is broken replace it.
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)