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Author Topic: Help  (Read 4656 times)

R. Dave Carr

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« on: July 31, 2014, 06:00:12 PM »

Dave
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1968 Newport Convertible

dana44

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« Reply #1 on: July 31, 2014, 06:18:45 PM »

uploads/865/elecignconv.pdf

Well, hope this works, the last page actually has the wiring diagram itself. Follow it and all will be fine.
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68 Charger 440 6pac/02 PT Cruiser/63 TR4 2.5 5spd/39 Nash Business Coupe/95 Dakota Sport 3.9 5spd/81 Z28/ USN Retired

dana44

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« Reply #2 on: July 31, 2014, 06:19:10 PM »

Yep, it works.
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68 Charger 440 6pac/02 PT Cruiser/63 TR4 2.5 5spd/39 Nash Business Coupe/95 Dakota Sport 3.9 5spd/81 Z28/ USN Retired

R. Dave Carr

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« Reply #3 on: July 31, 2014, 06:29:38 PM »

But I don't know what terminal on the relay to use, or if I need a different relay.....
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dana44

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« Reply #4 on: July 31, 2014, 09:18:02 PM »

Not sure what relay you are talking about, so two things. I take it this is not a Magnum computer controlled 318 for starters, and second, you can go online and get a factory wiring diagram for something like a 72 Dart for free, and rewire the car properly. If, everything was working just fine and then all the sudden started having problems, then start looking at wiring, especially going through bulkheads and shorting out. As long as power going through the ballast resistor reduces to 9.3v (I think that's the voltage), the ECU should handle 13.2v without a problem, so check the output at the alternator.
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Steve

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« Reply #5 on: July 31, 2014, 10:27:12 PM »

I have a feeling the unit ie wired wrong from the start
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dana44

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« Reply #6 on: August 01, 2014, 07:04:49 AM »

Agreed. Or there is a short that is frying the ECU.
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« Reply #7 on: August 01, 2014, 07:41:01 AM »

This is all installed in a 1959 Ford F100 with a Mopar drive train.  Aftermarket wiring harness to boot.  The electronic ignition system is stock Mopar, and is wired correctly from what I can tell.  I've looked at many, many diagrams, and the only thing I can find missing is the 12v wire that runs to the coil, and is only energized when the key is in the start position.
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1968 Newport Convertible

R. Dave Carr

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« Reply #8 on: August 01, 2014, 07:41:41 AM »

This thing ran over a year before it decided to just stop starting.
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dana44

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« Reply #9 on: August 01, 2014, 10:10:12 AM »

If that is the case, I would be concerned with a short somewhere that is shorting the ECU out, especially after a year.
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Brian

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« Reply #10 on: August 01, 2014, 11:40:59 AM »

I have to agree with the others.  The OEM Mopar Electronic ignition systems are darn near bullet proof.  There has to be some electrical bug causing the ECU to fry.

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R. Dave Carr

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« Reply #11 on: August 01, 2014, 02:37:03 PM »

What about the lack of a start wire to the coil?
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Steve

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« Reply #12 on: August 01, 2014, 03:25:03 PM »

Quote from: carrman
This is all installed in a 1959 Ford F100 with a Mopar drive train.  Aftermarket wiring harness to boot.  The electronic ignition system is stock Mopar, and is wired correctly from what I can tell.  I've looked at many, many diagrams, and the only thing I can find missing is the 12v wire that runs to the coil, and is only energized when the key is in the start position.

See if the wiring has a chaff in it somewhere
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R. Dave Carr

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« Reply #13 on: August 01, 2014, 04:34:38 PM »

Dave
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Steve

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« Reply #14 on: August 01, 2014, 05:26:32 PM »

Over heating the components
Solder and shrink wrap
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