Could installing the window incorrectly cause some kind of short that would affect the engine from cranking? Don't think so-its just a quick connector plug-in.
Try having the battery load tested could be aging and make sure its connections are clean/tight also check the ground between the battery and engine.
Possible areas-ignition switch/park&neutral switch/starter relay/starter itself.
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Tuesday, January 1st, 2008 AT 2:29 PM