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How do I wire 2-wire lock/unlock actuators to single wire button?

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Old 04-19-2012, 12:48 AM
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How do I wire 2-wire lock/unlock actuators to single wire button?

Hi all,

Just looking for some guidance in hooking up SPAL actuators with 2 seperate wires (lock and unlock (assuming just power and ground) ) with the factory lock/unlock switch, which only uses a single wire to move the GM actuators.

From what I have gathered on Google, I think I have a reverse polarity system, and need to use resistors/relays to set this up. Can anyone give me any ideas/direction on how I would go about wiring this up? Hoping to work on this tomorrow when I work on the car again.
Old 04-19-2012, 10:36 AM
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Bump...Anyone? I think I have to use something like a DEI 451M to do this.

Incase this helps someone give me advice on this, I did find this while searching last night:

Originally Posted by 05 into sound SS
the problem that you have with the door locks is that the wire that works your door locks on all cobalts is the fact that the door lock wires are a single wire door lock. the door locks see ground for lock and a 1.5k ohms resistance for unlock.
from here https://www.cobaltss.net/forums/newr...eply&p=6112316

so I know the one wire just use ground for lock and then resistance for unlocking, and assume relays are needed to convert between 1 wire with this kind of setup and 2 individual wires on the SPAL actuator kit.
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