I would suspect that the p.c.b unit has failed,and it is not something you can repair . sadly i had the same problem and had to purchase a new one. try online you can get some good deals, they work out about
£40 on average.
Archer
December 2009
A blown fuse, a faulty switch or a burnt out motor....if the hood lamps come on, then it aint the fuse!
John
September 2009
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