Install keyless door control

  #1  
Old 01-12-2019, 05:08 PM
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Default Install keyless door control

Hello, somebody can explain diagram to install keyless open door volvo 240 1991?
Many thanks
 
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Old 01-12-2019, 09:52 PM
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that was never a factory option, so best of luck. there's two relays, one locks, the other unlocks... there's no solenoid motor on the drivers door, as you have to use that key to lock/unlock the car, so you'll need to add a lock 'motor' to the drivers door too and wire that in. these motors are down in the bottom corner of the other doors, and work the locks via a linkage rod, and there's another in the trunk. all 'motors' have a blue and a yellow wire, which are all wired in parallel, the blue wire comes from unlokc relay pin 30, and the yellow wire comes from 'lock' relay pin 30. you'll need to run new blue and yellow wires into the drivers door to power the additional motor.

green wire to pin 85 of the 'unlock' relay pulsed to ground unlocks the other doors.
red wire to pin 85 of the 'lock' relay pulsed to ground locks the other doors.

these two relays are directly behind the 'tray' in the center console, just under the center A/C vents. the one on the left side of the car is 'unlock', the one on the right side is 'lock'.
 
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Old 01-12-2019, 10:05 PM
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1991 240 Power Locks wiring
 
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Old 01-12-2019, 10:06 PM
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1991 240 Power Locks wiring locator
 
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