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Discussion Starter · #1 ·
Have tried to fit two different makes of car alarm/central locking kits to my 1986 Bentley. They both pop up with the same problem.

I open the door,, get out and set the alarm and the doors lock....and the interior lights turn off..... but..., after approx 10/12 seconds the alarm activates itself...

Now, if I disconnect the alarm sensor wire for the interior lights, everything works OK.
It seems as if the courtesy lights are activated by a switch on the door catch mechanism.... so what else is there in the system that sets the alarm off after 10/12 seconds???????? My thoughts are that there is something somewhere perhaps from a previous immobiliser/alarm...
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