2007 Vauxhall Signum heated rear window

Car: Vauxhall Signum
Year: 2007
Variant: Elite CDTI
Categories: Running Rough, Starting & Power Loss
Last winter I noticed 3 of the heating elements had failed but window still heats and defrosted ok.
just put it on today with the first cold snap of the year and it is not working. heated mirrors still work ok.
Checked continuity of electrics and power to and from switch and traced back to fuse box in boot ut no power to window terminal fuses are OK wiring appears ok no nics or cuts but no power coming from fuse box to rear window.all other electrics working fine. Whats up?
Posted: Sep 22, 2012 (11 years ago)
Possible faulty relay...
Posted Sep 22, 2012 (11 years ago)

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