No spark

Tiny
TONY KOLB
  • MEMBER
  • 1981 JEEP CJ7
  • 4 CYL
  • 4WD
  • MANUAL
  • 67,000 MILES
I have replaced the entire distributor, coil, module in the distributor, plugs, wires, cap, and rotor and still no spark.
Do you
have the same problem?
Yes
No
Saturday, May 14th, 2016 AT 6:31 AM

9 Replies

Tiny
CARADIODOC
  • EXPERT
Have you checked to see if the distributor shaft is rotating? Taken any voltage readings?
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Saturday, May 14th, 2016 AT 10:54 AM
Tiny
TONY KOLB
  • MEMBER
Yes it is rotating like it should. I am getting a little over 12 volts when the key is on.
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Saturday, May 14th, 2016 AT 11:00 AM
Tiny
CJ MEDEVAC
  • EXPERT
I have so many pictures I cannot find yours in a hurry. I will continue to help you until the cows come home as long as you keep responding.
The Medic
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Saturday, May 14th, 2016 AT 11:17 AM
Tiny
CARADIODOC
  • EXPERT
They seem to have had many spools of red wire to use up when they built your vehicle! To start with, check for 12 volts on the ignition coil's positive terminal, then see what you have for voltage on the negative terminal. If the 12 volts is missing, I will try to follow the diagram back to the source.
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Saturday, May 14th, 2016 AT 11:26 AM
Tiny
TONY KOLB
  • MEMBER
I have checked the fuse. I will check the voltage on the negative side as soon as I can and let all of you know.
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Saturday, May 14th, 2016 AT 11:30 AM
Tiny
CJ MEDEVAC
  • EXPERT
Maybe review the distributor installation?
https://www.2carpros.com/questions/1978-jeep-cj5-engine-wont-start/page/5
How about that module? Read this;
https://www.2carpros.com/questions/1981-lincoln-mark-vi-would-car-run-fine-idol-park-stop-key-turned-off
On to the coil, check out this link.
https://www.2carpros.com/questions/84-jeep-cj7-cranks-but-wont-run/page/3
Is this mostly the OEM or have your changed things.
Send left/right over head pictures of your engine compartment.

Your turn,
The Medic
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Saturday, May 14th, 2016 AT 3:38 PM
Tiny
TONY KOLB
  • MEMBER
It is all original replacement parts nothing performance. I am just trying to get it to run.
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Saturday, May 14th, 2016 AT 5:41 PM
Tiny
TONY KOLB
  • MEMBER
It is all original replacement parts.
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Saturday, May 14th, 2016 AT 5:43 PM
Tiny
CJ MEDEVAC
  • EXPERT
Positive the distributor is in right?
Correct coil?
Tested the new module at the auto parts store?
Under the hood looks well taken care of!
Let s have a picture of the Jeep too!
The Medic
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Saturday, May 14th, 2016 AT 6:51 PM

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