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1997 Ford Taurus Engine Electrical

Tiny
JUSTDON
  • MEMBER
  • 1997 FORD TAURUS
  • 3.0L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 149,000 MILES
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.
Thursday, September 11th, 2014 AT 8:06 PM

5 Replies

Tiny
SINBAD271
  • MECHANIC
  • 169 POSTS
Check battery voltage, with vehicle off, make sure 12v, check with vehicle running should be higher approx. 13sum.
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Thursday, September 11th, 2014 AT 9:18 PM
Tiny
JUSTDON
  • MEMBER
  • 150 POSTS
Thanks for the reply. I'll check that and get back with the results.
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Friday, September 12th, 2014 AT 2:37 PM
Tiny
SINBAD271
  • MECHANIC
  • 169 POSTS
Ok
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Friday, September 12th, 2014 AT 10:05 PM
Tiny
JUSTDON
  • MEMBER
  • 150 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.
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Saturday, September 13th, 2014 AT 5:10 PM
Tiny
SINBAD271
  • 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.
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Monday, September 15th, 2014 AT 7:34 AM

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