aashaun Posted October 22, 2020 Share Posted October 22, 2020 Could someone possibly message me with instructions on replacing the alarm sounder on a discovery 1 300 TDI with Siren BBUS / AMR4974. I have power to the plug but no sound. Would like to replace with siren or car horn. Thanks Quote Link to comment Share on other sites More sharing options...
teabag Posted November 2, 2020 Share Posted November 2, 2020 (edited) I expect you have now seen my PM that has the details of the modification required to install a 12v alarm sounder/horn to replace the factory fit battery backed up sounder. Edited November 2, 2020 by teabag Quote Link to comment Share on other sites More sharing options...
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