That unit or almost any other will likely work. Door lock output must have a pulse duration of about 2 seconds, and you will need to hook up a pair of not-included relays. Checkout:

http://www.the12volt.com/installbay/alarmdetail/1416.html

and:

http://www.the12volt.com/doorlocks/page3.asp#vac

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7