2003 Ford Focus coil on plugs

Tiny
RANDY SHARP
  • MEMBER
  • 2003 FORD FOCUS
  • 2.3L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 88,000 MILES
I have coil on plugs there is two wires does anyone know which one is the driver circuit?
Thursday, November 5th, 2015 AT 10:19 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,742 POSTS
Look at the wire colors. You'll see the same wire color on each coil. That will be the 12 volt feed. The other wires will be different colors. Those are controlled individually by the Engine Computer.
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Thursday, November 5th, 2015 AT 2:34 PM

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