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Chris
Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3172
Experience:  Jeep Certified Master Tech
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I am getting one spark at the coil then nothing else, 1990

Customer Question

i am getting one spark at the coil then nothing else
JA: What is the make/model/year of your car?
Customer: 1990 yj jeep wrangler
JA: Are you fixing your Wrangler yourself? What have you tried so far?
Customer: i have replaced the CEC the ignition control modual the coil the rotor and the magtic upfit thing inside the distrubtor
JA: Have you checked the battery lately?
Customer: yes
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: Jeep
Expert:  Amedee replied 1 month ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Customer: replied 1 month ago.
ok
Expert:  Amedee replied 1 month ago.

What size engine do you have?

Can I start by getting your VIN?

Are you looking for possible causes?

Customer: replied 1 month ago.
it is a 4.2 straight six
Expert:  Amedee replied 1 month ago.

Thank you for that information.

Expert:  Amedee replied 1 month ago.

What is the AC voltage from the pickup inside the distributor when cranking it over?

Customer: replied 1 month ago.
not getting fire all the way to the distributer
Customer: replied 1 month ago.
i am getting one spark out of the coil then nothing
Expert:  Amedee replied 1 month ago.

Thank you for that information.

What is the AC voltage from the pickup inside the distributor when cranking it over?

Customer: replied 1 month ago.
0
Customer: replied 1 month ago.
are you not reading what i have typed
Expert:  Amedee replied 1 month ago.

Was the distributor assembly replaced as a complete unit?

Customer: replied 1 month ago.
like i said i am not getting fire all the way to the distrubutor
Expert:  Amedee replied 1 month ago.

You mean power to the ditributor?

Customer: replied 1 month ago.
i am not getting spark out of the coil
Expert:  Amedee replied 1 month ago.

I understand sir.

So your saying that the distributor is not producing any AC voltage when the engine is cranking over?

Customer: replied 1 month ago.
i am soing it does not matter if i am not getting fire out of the coil
Expert:  Amedee replied 1 month ago.

I am sorry sir I dont understand your last reply

Customer: replied 1 month ago.
it does not matter what my distributor is doing if i am not getting spark out of my coil
Expert:  Amedee replied 1 month ago.

Of course it does sir. There will be no spark if the pickup in the distributor is not working properly.

Expert:  Amedee replied 1 month ago.

Does that make sense?