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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 6574
Experience:  ASE Master Certified, ASE Advanced Gasoline Engine Performance
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Mustang gt: 99 mustang gt. as soon as i turn the key to on

Customer Question

99 mustang gt. as soon as i turn the key to on my engine fan turns on and theft light blinks
rapidly numbers on odometer are dashes and car will not start
Submitted: 2 years ago.
Category: Ford
Expert:  A. Penland replied 2 years ago.
Hello and thanks for using JustAnswer.I will try my best to help you with your question.
This is not a simple problem to repair. The problem could be a module or wiring. You will need to test the instrument cluster and the PCM (Engine Computer) for trouble codes and also make sure they communicate with each other. They share the PATS key information to allow the vehicle to start. If one is not communicating with the other one, the problem you have will occur.