I have installed a shock sensor that works with the existing factory alarm. It works great. I am now looking to add remote start and window close. I have a document that shows the wire info on the BCM. I have found devices that will do what I want, but I hear there is something else I need to add for the PASSLOCK feature. The document that I have says "see document 1603 for remote start interface information." does any one know where to find this info? I think this might have something to do with the PCM.
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