1997 Ford Taurus Engine Electrical

149,000 MILES • 3.0L • 6 CYL • FWD • AUTOMATIC
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JUSTDON
  • MEMBER
  • 161 POSTS
Headlights and interior lights dim whenever any electrical device is used. ie: AC cycle, heater selector switch moved between floor, vent and defrost.

New battery and alternator.
Sep 11, 2014 at 1:06 PM
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SINBAD271
  • ✓Experienced Mechanic
  • 169 POSTS
Check battery voltage , with vehicle off , make sure 12v , check with vehicle running should be higher approx. 13sum.
Sep 11, 2014 at 2:18 PM
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JUSTDON
  • MEMBER
  • 161 POSTS
Thanks for the reply. I'll check that and get back with the results.
Sep 12, 2014 at 7:37 AM
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SINBAD271
  • ✓Experienced Mechanic
  • 169 POSTS
ok
Sep 12, 2014 at 3:05 PM
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JUSTDON
  • MEMBER
  • 161 POSTS
Had system checked. Battery, Alternator and starter are all good. Battery has full 12v with car off and 14-141/2 with car running.
Sep 13, 2014 at 10:10 AM
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SINBAD271
  • ✓Experienced Mechanic
  • 169 POSTS
May want to have a voltage drop test done. And check for good ground connection. You will need a good insight on understanding how to test electrical wires .
Sep 15, 2014 at 12:34 AM
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