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Old 02-12-2013, 10:20 AM   #36
Donnyd21
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Join Date: Jan 2013
Fan#: 109211
Location: Oklahoma city, OK
What I Drive: 2002

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Quote:
Originally Posted by Tryintofocus View Post
What would be required to put an external tach on a focus that doesn't have one. That's my goal to do soon but it doesn't seem like it would be a plug and play situation without the proper sensor or whatever. Just curious
The basic tachs are easy to install, most are 4 wires, 1 hot/power, 1 ground, 1 for light and the other taps into the #1 spark plug wire (by wrapping around it) OR taps into the coil packs wiring harness.
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