Car wont start but lights work

Tiny
ANONYMOUS
  • MEMBER
  • 2003 MERCURY SABLE
  • 124,000 MILES
Car wont start but lights work. When I turn on my headlights the display on my radio turns off. Battery and alternator are good.
Wednesday, October 31st, 2012 AT 10:56 PM

1 Reply

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
Have you had the battery tested under load. Meaning check the voltage of the battery when you start the car. A battery can have 12 Volts, but if it has a bad cell it will drop significantly when a load, like starting your car, is put on it. Advance Auto or Auto Zone can do this test for you.
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Thursday, November 1st, 2012 AT 12:53 AM

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