5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Want to install cutoff switch for fuel pump

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Old 06-01-2012, 10:23 PM
  #11  
mattdel
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Relay is under the drivers seat.

Tan/light green is the ground, red/black is incoming inertia switch signal, orange/light blue is 12v constant, pink/black is out to pcm/pump

Take your pick. Adding a switch on any of those wires will interrupt the pump.

Last edited by mattdel; 06-02-2012 at 12:01 AM.
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Old 06-02-2012, 10:20 PM
  #12  
bruehlc
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I thought the relay was under the seat. thanks
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