I'm sure that you can install a keyless entry type of alarm, but it'll probably cost you alot since they'd have to wire up each door to work work on some sort of power system, and probably add some sort of motor. I'm sure it wouldn't be too difficult to convert your non-power windows and doors to a power system. I'd imagine that all you have to do is get all the parts from an XJ with power features and swap them into your doors/rig.
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