Electrical

Tiny
RAVENELL1958
  • MEMBER
  • 2000 CHRYSLER LHS
  • 3.5L
  • 6 CYL
  • 325,000 MILES
No electrical current at coils.
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Wednesday, May 3rd, 2017 AT 3:45 PM

10 Replies

Tiny
CARADIODOC
  • EXPERT
We need more information than that. With no details to analyze, I can only assure you there should not be any voltage to the ignition coils unless you are cranking the engine.
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Wednesday, May 3rd, 2017 AT 9:21 PM
Tiny
RAVENELL1958
  • MEMBER
Power is at the coils when the car is switched, but only for a short time then it is gone. No power is at the coils while cranking engine over.
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Thursday, May 4th, 2017 AT 2:49 AM
Tiny
CARADIODOC
  • EXPERT
That indicates the automatic shutdown, (ASD) relay circuit is working, and the engine computer has control over it. That relay gets turned on again after that first one second when the engine is rotating, (cranking or running), and the computer knows that by the signals it receives from the crankshaft position sensor and the camshaft position sensor. Have you read the diagnostic fault codes to see if one is set related to a sensor circuit problem? If no code has set, you can use a scanner to view live data and see if those signals are listed as "No" or "Present".
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Thursday, May 4th, 2017 AT 3:05 AM
Tiny
RAVENELL1958
  • MEMBER
Your reply has been very helpful. Thank you very much.
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Thursday, May 4th, 2017 AT 3:35 AM
Tiny
CARADIODOC
  • EXPERT
Do you know how to read the fault codes yourself?

Keep me up to date. I will be back later tonight to see how you are doing.
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Thursday, May 4th, 2017 AT 3:43 AM
Tiny
RAVENELL1958
  • MEMBER
I will have to get back to that car tomorrow. I have some other work going on with my Tahoe which is far less difficult.
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Thursday, May 4th, 2017 AT 3:51 AM
Tiny
CARADIODOC
  • EXPERT
You won't say that once you know how the system works. GM and Chrysler actually do things very similarly. The biggest difference is Chrysler never needed a troublesome mass air flow sensor to make an engine run right. Ford is the one that does everything differently.

In this time period, Chrysler is the only manufacturer that makes it possible for you to read the diagnostic fault codes yourself. Cycle the ignition switch from "off" to "run" three times within five seconds, without cranking the engine, leave it in "run", then watch the code numbers show up in the odometer display.
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Thursday, May 4th, 2017 AT 6:19 PM
Tiny
RAVENELL1958
  • MEMBER
Now that is some very helpful information. This is my 2nd time owning a Chrysler. I didn't have any problems with my 300M.
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Friday, May 5th, 2017 AT 10:25 AM
Tiny
KEN
  • ADMIN
Please let us know what happens.

Cheers, Ken
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Monday, May 8th, 2017 AT 4:21 PM
Tiny
RAVENELL1958
  • MEMBER
I certainly will. Thanks
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Monday, May 8th, 2017 AT 4:24 PM

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