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I have a 2012 Malibu and am in the middle of doing an install of a push button start system.
I need help please.
The wiring diagram is odd on the car. I'm old school.
I need help to get this to work.
So far I have managed to get it to work on acc, on and when it get to start mode everything shuts off. I have 3 wires at oem switch red/white (12v) brown ?(acc) pink?(on) then there are 2 wires that have 4.5 volt. One looks grey/white has 4.5 all the time grey has 4.5 when switch in on. But no start. (I may have the brown and pink wire backwards).
I really would like to put this in. Thank you for any help!
 

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Somehow, and I don't know how, you need to tell the BCM that the key is in the ignition. The standard key has a transmitter in it, and without that radio frequency transmission, it will not start.

Maybe take a working key and hide it up inside the dash? Or just the transmitter??
 
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