I have the Clifford 50.7x which is the same as the Viper 5901 and I love it. I installed it over the weekend and had no issues. I bought an extra shock sensor and a glass break off ebay for $10 each shipped. It does have a very long range. I used the wiring off
HERE which is for the Dodge on 12volt.com and had no issues. I did test all my wires though with a VOM to make sure of everything. If you do not have power locks then you can still hook it up and/or add power locks. I do highly recommend getting either the 5901 or the 50.7x.