Question about 2003 Mercury Grand Marquis

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Replaced alternator & battery won't start

Replaced alternator & battery won't start

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CHECK BATTERY GROUND AND CABLE TO STARTER ALSO CHECK STARTER WATER IS BAD ON STARTERS AND GET WET AND SHORT OUT MEASY GOOD LUCK

Posted on Jul 14, 2013

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Posted on Jan 02, 2017

skychief2001
  • 21873 Answers

SOURCE: 99 sable won't start, replaced battery,starter,alternator, but still wont even crank. code reader also said map sensor so it was reset worked for alittle but now nothing

If the car does not have a security system, I would check for voltage at the starter from the battery and from the key switch.
The power from the key switch goes thru the neutral safety switch before getting to the starter.

Posted on Sep 08, 2012

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