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Vladgmru
Vladgmru, Automotive Electrician
Category: Ford
Satisfied Customers: 2637
Experience:  I've been working with American made cars since 1992.
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91 FORD F-150 300 6 CYL CRANKS OVER NO START & NO SPARK

Customer Question

91 FORD F-150 300 6 CYL CRANKS OVER NO START & NO SPARK
Submitted: 6 years ago.
Category: Ford
Expert:  Vladgmru replied 6 years ago.
HelloCustomer
Thanks for choosing JustAnswer.
My name is Vladimir.
Do you get +12V power on the Red/light Green wire at the ignition coil with the key ON?
Please reply back to this thread.
Customer: replied 6 years ago.
yes 12v at coil
Expert:  Vladgmru replied 6 years ago.
Ok,
Do you get +12V on the same Red/Lt.Green wire at the ignition control module connector with the KEY ON?
Customer: replied 6 years ago.

yes +12v at control module

 

Expert:  Vladgmru replied 6 years ago.
Have you checked the DarkGreen/Yellow wire between the control module and the coil connectors for continuity and that this icrcuit is not shorted to ground?
Customer: replied 6 years ago.
darkgreen/yellow wire not grounded
Expert:  Vladgmru replied 6 years ago.
Well, I would replace the ignition control module with an original Motorcraft DY1074 part.
Customer: replied 6 years ago.
I'LL ASK SOMEONE ELSE THEN

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