It could however be the bcm if the remote and switch aren't working properly. Its hard to say without testing the wires at the bcm in the drivers kick panel. FYI the bcm is the blue box looking thing closest to the fire wall all the way to the left if you're sitting in the drivers seat. By the emergency brake. Also look up a wiring diagram at Bulldogsecurity.com and that will tell you where the unlock and lock wires are. If all the wiring is working correctly then you will hear the door locks actuate when you hit the wires with the negative pulse (or ground since you'll be grounding the test light to chassis ground).
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