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1985 ford: getting power to the inigtion coil..theres

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I have a 1985 ford...
I have a 1985 ford crown vic and I am getting power to the inigtion coil but theres no spark coming out of the coil what could be the problem?
Submitted: 11 years ago.Category: Ford
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Answered in 1 hour by:
10/18/2006
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
AMEDEE
AMEDEE, FORD TECHNICIAN
Category: Ford
Satisfied Customers: 27,076
Experience: ASE CERTIFIED TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
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Greetings! The coil could be bad! Have u changed it?
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Customer reply replied 11 years ago
Reply to amedee's Post: I already changed the coil
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Ok, now, we are going to need to check the inputs to the computer. Do u have any diagnostic equitment?
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Customer reply replied 11 years ago
Reply to amedee's Post: I dont have diagnostic equipment but i can get it and when I do what inputs do i check?
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago

Sounds like u have a bad pick up in the distributor.

IF this if fuel injected you are going to need to check for fuel trigger. If none is present, it sounds like the cam or crank signal is bad in the distributor.

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Customer reply replied 11 years ago
Reply to amedee's Post: The distributor with all interal parts is brand new but i dont know if it is timed, will that effect the coil from firing
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Yes! the module is in control of that. And that is in the distributor. I would rec to get it timed first.
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Customer reply replied 11 years ago
Reply to amedee's Post: how do i get it in back in time
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
You are going to have to put # XXXXX cylinder at top dead center and make sure the rotor is pointing at #1 on the cap
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Customer reply replied 11 years ago
Reply to amedee's Post: how do i get it in back in time
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Well after that, you will need to use a timing light. Do u have one?
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Customer reply replied 11 years ago
Reply to amedee's Post: how do you know where number one is on the cap is
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Would you like a diagram?
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Customer reply replied 11 years ago
Reply to amedee's Post: how do i know where number one on the cap is
Customer reply replied 11 years ago
Reply to amedee's Post: where is number one on the cap
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
h
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Customer reply replied 11 years ago
Reply to amedee's Post: I have a 5.0 is this the right info because i see 5.8l
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Yes. In the picture it gives the firing order for both. Look close. It is about in the middle of the picture
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Customer reply replied 11 years ago
Reply to amedee's Post: I still thought full there is 12 volts to the coil it should fire no matter what
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Your right! It should! Seeing how u replaced it, As long as it is good, and there is a signal going to it, it should fire. THat is why I dont think there is a signal. This is why I think the pick up is bad!
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Customer reply replied 11 years ago
Reply to amedee's Post: The pick-up is in the distributor right and if it is how do i check it
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Yes! Normaly they are. But you might just have a crank sensor located by the harmonic balancer. They both can be checked with a lab scope
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Customer reply replied 11 years ago
Reply to amedee's Post: does this car have a crank sensor
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Yes!
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Customer reply replied 11 years ago
Reply to amedee's Post: Does the cranksensor control the coil.
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
Yes, if the crank sensor is not working, that you will not have spark
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Customer reply replied 11 years ago
Reply to amedee's Post: Would a scan tool tell me there is a bad crank sensor
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
It is possible. Just look at the rpm as your cranking over. If it stays at 0, than either the sensor is bad or the wiring.
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Customer reply replied 11 years ago
Reply to amedee's Post: In what way does the crank sensor control the coil
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
The crank sensor gives the ignition module a signal which in turn gives the coil a signal.
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Customer reply replied 11 years ago
Reply to amedee's Post: The voltage regulator would not have anything to do with the coil would it
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
no
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Customer reply replied 11 years ago
Reply to amedee's Post: Is there anything else that will cause the coil not to fire
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
A bad ignition module or wiring
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Customer reply replied 11 years ago
Reply to amedee's Post: How ould i know if the wiring is bad
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
To be honest, u will have to do a continuity test on all the wires with a multimeter.
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Customer reply replied 11 years ago
Reply to amedee's Post: do you know where the location of the data link connector for the ecu
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
It will be located under the hood along the passenger side or drivers side fender
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Customer reply replied 11 years ago
Reply to amedee's Post: Can you provide a picture of it
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 11 years ago
j
AMEDEE
AMEDEE, FORD TECHNICIAN
Category: Ford
Satisfied Customers: 27,076
Experience: ASE CERTIFIED TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
Verified
AMEDEE and 87 other Ford Specialists are ready to help you
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AMEDEE
AMEDEE
AMEDEE, FORD TECHNICIAN
Category: Ford
Satisfied Customers: 27,076
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Experience: ASE CERTIFIED TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector

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