All sorted:-)

A mouse had been munching through the wiring harness.

Thanks for the reply, it's got power to all 4 wheels. But I can't get it to lock the centre diff. Or select low range. No warning lights appear on the dash, either when you turn the ignition on or when you turn the selector knob. It seems dead. The previous owner had been jump starting it so I'm gue...

Hello, I've just acquired a 2007 Grand Vitara. It's been really well looked after and drives great. However. I can't get it to engage 4 Lock or 4 Low. The selector moves just fine, but no lights on the selector or the dash. I've tried doing it stationary, moving slowly in neutral or in gear. I've ch...