Dale, I looked up some info in alldata for a 3.3 caravan(don't know if engine size matters) and here's what I found:

The pins on the airbag module are as follows:

C1 pin:

1 = Pass airbag

2 = Pass airbag

3 = driver's airbag

4 = Driv. airbag

C2 pin... Login to read more.