Paul Sheppard Posted October 21, 2010 Share Posted October 21, 2010 1995 discovery with Alarm problems. Susspect that it's the sounder unit although would be usefull to confirm. Does anyone have a connection diagram to the AMR 4974 sounder unit. What signals should be present at each connection? Have in hand an AMR 4971 from a Ranger rover. Same question. Can anyone provide wiring connection information. Thanks in adavnce Quote Link to comment Share on other sites More sharing options...
teabag Posted October 22, 2010 Share Posted October 22, 2010 I've never see a diagram for alarm connections but connections to the sounder can only be permanant pos-neg to power the sounder and a switched pair, can't see that you need anything else. Quote Link to comment Share on other sites More sharing options...
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