Hi, Does anyone know which colour wire that goes into/ out of the alarm ECU is the one that tells you if the doors are open and controls the interior lights?
Vehicle is a '98 plate 300Tdi auto.

Cheers
 
p.s judging by your username Sparky Steve, you may know a bit about vehicle electrickery?? If so, can I tap you for some further info??:D
 

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