how to unlock doors with aftermarket alarm
07-08-2007, 07:52 PM
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how to unlock doors with aftermarket alarm once the car is locked for about 5 min the power shuts off inside and my alarm is installed to send signal to the unlock button. i was told to send a ground signal to a bcm wire at the same time. does anyone know which one that is.
07-09-2007, 11:30 AM
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Door Lock Red/Black (-)
Door Unlock Orange/Black (-)
BCM Passenger's Kick
You need two diodes. The cathode sides of each diode to the (-) unlock output of your alarm. Connect the anode side of one diode to the Door Unlock Orange/Black at BCM. Connect the anode side of the other diode to the (-)door pin lead. not 100% sure but i believe its white at the BCM
Door Unlock Orange/Black (-)
BCM Passenger's Kick
You need two diodes. The cathode sides of each diode to the (-) unlock output of your alarm. Connect the anode side of one diode to the Door Unlock Orange/Black at BCM. Connect the anode side of the other diode to the (-)door pin lead. not 100% sure but i believe its white at the BCM
