Trouble on ignition street |
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Bri892001
Grand Poobah Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947 |
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Just to to look at the simple stuff first: You are sure you are getting consistent voltage from your key switch. That is, when it's in the on position, you are always getting voltage, right? |
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mark c
Gold Member Joined: May-09-2012 Location: Massachusetts Status: Offline Points: 534 |
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How does the coil get 12v during cranking, if I don't have a clue, and boats don't have a connection between the starter solenoid and the ignition coils + terminal? You sugesting he buy a solenoid, and or install the wiring that boats don't have to get a full 12V to the coil for starting? |
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21186 |
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No one ever said that boats dont utilize the I terminal on the solenoid to give a full +12v to the coil during cranking. It was stated that not all marinization companies used it. PCM didnt, but Indmar did, for example. The Dr's suggestion here is to utilize the feature when installing the Mallory Espark kit on a PCM motor. |
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mark c
Gold Member Joined: May-09-2012 Location: Massachusetts Status: Offline Points: 534 |
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Go back to the post above the original suggestion to install one, I said not all, but some do have this feature and I got a you don't have a clue reply. so either i don't have a clue that some had it and some don't or I don't have a clue about, why and when they were used in the automotive industry.
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21186 |
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Im not going to speak to that particular comment, but its true that PCM did not use the feature, and it shouldnt be required with the stock (points) set up, nor would it have been used with Big's current Prestolite EI conversion.
The Mallory would be a different story. |
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Big Pappa
Senior Member Joined: March-08-2006 Location: United States Status: Offline Points: 322 |
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Yes that is correct, when the key is on I have voltage. |
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Big Pappa
Senior Member Joined: March-08-2006 Location: United States Status: Offline Points: 322 |
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Woo Hoo This tip did it!!! I just went down and checked my air gap and it was way off. I reset it to .009" and checked the spark from the coil and it was perfect blue spark. Hooked everything back up and gave the key a turn and got a little blip. 2nd turn and it fired right up. Can you all see the grin on my face through the computer screen!! This was just firing on starter fluid (working at home and did not want to smell like gas). I will pour some gas down the carb this afternoon and let it run for a bit. I am pumped right now though!! |
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Bri892001
Grand Poobah Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947 |
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Awesome, that's good to hear
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Kris
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boat dr
Grand Poobah Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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[QUOTE=mark c] . so either i don't have a clue that some had it and some don't or I don't have a clue
We are working on a 'MARINE IGNITION" not an auto. Please post with known info and not your own idea how stuff works. Very litle info from auto,s apply to marine ignition systems. The Prestolite EI uses no ballast , Mallory chose to incorporate this lower voltage to keep down heat inside the module, while using the "I" term. on the starter solenoid for that extra voltage, 12 volts to the coil, only during cranking. The lower voltage will increase the service life of said EI module. This will also work for the OEM Prestolite module as well.Both Presolite and the Petronix have a high failure rate due to the increased voltage applied. This being said, the Mallory will come with instructions of how to properly wire the newer , Mallory,module and the use of a ballast and the solenoid connection to complete the upgrade...Billy |
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mark c
Gold Member Joined: May-09-2012 Location: Massachusetts Status: Offline Points: 534 |
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You are of course kidding. The basics of an internal combustion engine operation is the same wether said engine is in a boat, car, or airplane. Sure, there different peices and parts that make the engine operate correctly in the vehicle its installed in, but they all work the same way.
You will notice I said he could connect the coil to the aux contact on the starter solenoid (the "I" terminal) and it would provide full battery volatge during cranking but revert back to the balast resistor as soon as the key was released to run. Where do you think these ignition systems come from the marine world or automotive world? And of course you always follow the manufacturers installation instructions when you put any part on. Doesn't really matter in this case, his module wasn't fried, and it did not need 12v during cranking to operate, it was an out of adjustment magnetic pickup. |
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boat dr
Grand Poobah Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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Glad you found our site, we will all be smarter now that you are here.
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Bri892001
Grand Poobah Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947 |
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Learn some things, explain some things. Bust some balls and get your balls busted.
That's why we're all here, right |
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mark c
Gold Member Joined: May-09-2012 Location: Massachusetts Status: Offline Points: 534 |
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I do try to do my part. |
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mark c
Gold Member Joined: May-09-2012 Location: Massachusetts Status: Offline Points: 534 |
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I do try to do my part. |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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And double post as well!! |
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