MBA-Supra11 Posted June 12, 2017 Share Posted June 12, 2017 Hello all. My Supra's car alarm has started to go off a lot recently for no apparent reason. The only way to get it to shut up is to take out the fuse or disconnect the battery. The fob locks and unlocks the car fine but the car alarm won't respond to it and unlocking the doors and locking it with the key still wont help. Any ideas to what to check and test? Quote Link to comment Share on other sites More sharing options...
muckyman Posted June 12, 2017 Share Posted June 12, 2017 Best thing to do is get an auto electrician on it. Could be soooo many things Quote Link to comment Share on other sites More sharing options...
simbasupra Posted June 12, 2017 Share Posted June 12, 2017 Hello all. My Supra's car alarm has started to go off a lot recently for no apparent reason. The only way to get it to shut up is to take out the fuse or disconnect the battery. The fob locks and unlocks the car fine but the car alarm won't respond to it and unlocking the doors and locking it with the key still wont help. Any ideas to what to check and test? Is it a standard alarm? Quote Link to comment Share on other sites More sharing options...
MBA-Supra11 Posted June 12, 2017 Author Share Posted June 12, 2017 Yes its standard Quote Link to comment Share on other sites More sharing options...
Scooter Posted June 12, 2017 Share Posted June 12, 2017 The original UK alarms are notorious for giving up (can't really blame them after this long!) but it can often be a case of fitting a more modern one. See below for possible help searching for "castle" can help as there is a castle key you 'should' have to at least turn off the alarm. http://www.mkivsupra.net/vbb/showthread.php?21860-Alarm-Problem&highlight=castle+key Quote Link to comment Share on other sites More sharing options...
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