john wright Posted January 3 Report Share Posted January 3 Bought a 1.8lt Insignia abot 6 weeks ago, when i came to switch on rear demister nothing happened. looked on the internetand everything pointed to the module in the tailgate (aerial booster) why that has to do with demister i am not sure. I removed rear trim but there was no module, someone had removed it and fastened wires together. TRied fitting module but still not working, no power to module at all. Can someone tell me why radio booster and rear demister go through this module, it makes no sense. I am stumped hopefully someone can help, thanks in advance Quote Link to post Share on other sites
Vauxhall Owners Club Posted January 4 Report Share Posted January 4 Hi John.....welcome to the Forum It is possible that the current is shared by both items, assuming it can be switched independently. I would start by first checking the fuses to see where the power is going off to an also check the wiring near the screen Quote Link to post Share on other sites
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