’03 F-150 Tach Wire Location

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URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=47918
Printed Date: May 16, 2024 at 5:42 AM

Topic: ’03 F-150 Tach Wire Location

Posted By: ltj42884
Subject: ’03 F-150 Tach Wire Location
Date Posted: January 17, 2005 at 8:35 AM

Does anybody know if the tach wire is accessible at the OBD2 plug? I know it is on some vehicles and I am trying to avoid runnin another wire into the engine bay.

Replies:

Posted By: ltj42884
Date Posted: January 18, 2005 at 10:57 AM

Ok. How bout the wire color for the tach that goes into the gauge cluster? Im hookin up remote start and I'm lookin for the best place to tap the tach wire.

Posted By: webxfx
Date Posted: January 19, 2005 at 12:42 AM

from my notes....

On the 4.2L it is dk. blue/lt. green at the coil pack on top of the motor. On the 4.6L go to any of the ignition coils and use the wire that is NOT RED / green. On the 5.4L it is lt. GREEN / WHITE at the coil on the passenger side of the motor between the fuel injectors.

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