Haven't got access to SEDRE at the moment, but a quick look on Autodata shows MF7 to be the direct feed to the ignition switch....which does open up more options for a fault.
markw wrote:+1
That's a big fuse to blow for 'no apparent reason'. You could have an intermittent short to earth there as it takes a lot more than 50A to blow a 50A fuse!
Hi
Sorry i couldnt get back to you sooner , Yeah i wonder what caused it?? as i has never happend before. or since I now However carry 4 spare 50 amp Maxi fuses just in case. ( And Again A Big Thanks to all you guys for your Help)