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My navigator wont crank

(1999 Lincoln Navigator)
in Dinuba, CA on November 07, 2010
last night i drove it and it turned on great no problem, but when i got home my dad was messing with some wires and now it wont crank. the battery is connected and when i turn the switch on all the lights turn on like its fine but once i try to start it it wont crank. and its not the battery
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Popular Answer
on November 07, 2010
"My dad we messing with some wires..." ...never sounds good. Sorry to hear.

The first disclaimer I need to make is -- I can't really vouch for any afternarket installed equipment, such as non-factory alarms, etc...

If you have no crank, you need to basically just verify all your cables and wires from your battery to your starter motor relay to your starter and your signal wire are all clean and secure.

If they are, you could have a faulty relay switch, or there could be an issue in the circuit that indicates your transmission is in park or neutral (Transmission Range (TR) sensor).

I have a feeling, though, that you could have an aftermarket alarm of some type installed causing some issue. Good luck...
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