Guest stejrobbo Posted April 24, 2004 Share Posted April 24, 2004 my friend has a a1 system which he wants to fit .......but there is no backup battery in the bellbox....just a siren and a tamper switch tamper he went back to the supplier (b&q) who no longer stock it ,does anybody know how he can wire it up without the back up,untill he gets one thanks Link to comment https://www.thesecurityinstaller.co.uk/community/topic/2076-a1-aj600-installation/ Share on other sites More sharing options...
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