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Engine Issue...

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=49063
Printed Date: November-14-2024 at 11:50pm


Topic: Engine Issue...
Posted By: thyeag1982
Subject: Engine Issue...
Date Posted: August-11-2020 at 11:15am
Has anyone experienced starting the engine and the only way it will stay running is you holding the ignition key in the start position.
As soon as I let the key go the engine shuts off.





Replies:
Posted By: 8122pbrainard
Date Posted: August-11-2020 at 11:33am
Jeff,
Get the VOM (volt Ohm meter) out and see if you are getting the nominal 12 volts on the R terminal at the ignition switch with the key turned in the run position. Report back with what you find. 


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64 X55 Dunphy

Keep it original, Pete
<


Posted By: thyeag1982
Date Posted: August-11-2020 at 1:57pm
Yes, we're getting 12 volts...


Posted By: MrMcD
Date Posted: August-11-2020 at 1:59pm
Normally means the key switch has worn out but Pete is telling you how to verify.

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Posted By: 8122pbrainard
Date Posted: August-11-2020 at 2:00pm
Check if the coil is getting the 12. If not, then check any connections between the coil and the switch. 

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64 X55 Dunphy

Keep it original, Pete
<


Posted By: thyeag1982
Date Posted: August-11-2020 at 2:47pm
Thanks for the responses!.
I'll let you know what we find.



Posted By: 8122pbrainard
Date Posted: August-11-2020 at 3:03pm
CORRECTION:
There should be a ballast resistor before the coil so you should see 12 volts in and about 9 volts out to the coil. 


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64 X55 Dunphy

Keep it original, Pete
<


Posted By: Hysteria
Date Posted: August-11-2020 at 4:20pm
Some boats have the ballast resistor wired into the run circuit only and bypass them when cranking. You didn't mention what you are working on, but a bad ballast resistor in that type of design will do exactly what you are describing.


Posted By: 8122pbrainard
Date Posted: August-11-2020 at 4:36pm
Originally posted by Hysteria Hysteria wrote:

Some boats have the ballast resistor wired into the run circuit only and bypass them when cranking. You didn't mention what you are working on, but a bad ballast resistor in that type of design will do exactly what you are describing.

Unless modifications have been made or the boat repowered, there is no resistor bypass during cranking on his engine. 


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54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
<


Posted By: Hysteria
Date Posted: August-11-2020 at 4:44pm
Originally posted by 8122pbrainard 8122pbrainard wrote:


Originally posted by Hysteria Hysteria wrote:

Some boats have the ballast resistor wired into the run circuit only and bypass them when cranking. You didn't mention what you are working on, but a bad ballast resistor in that type of design will do exactly what you are describing.



Unless modifications have been made or the boat repowered, there is no resistor bypass during cranking on his engine. 


I didn't see anywhere that he listed what boat he is working on


Posted By: 8122pbrainard
Date Posted: August-11-2020 at 5:08pm
Originally posted by Hysteria Hysteria wrote:

Originally posted by 8122pbrainard 8122pbrainard wrote:


Originally posted by Hysteria Hysteria wrote:

Some boats have the ballast resistor wired into the run circuit only and bypass them when cranking. You didn't mention what you are working on, but a bad ballast resistor in that type of design will do exactly what you are describing.



Unless modifications have been made or the boat repowered, there is no resistor bypass during cranking on his engine. 


I didn't see anywhere that he listed what boat he is working on

Sorry. You are correct.I just assumed he was working on a CC. We'll need to see what he comes up with. 


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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
<


Posted By: 3mile
Date Posted: August-13-2020 at 7:09am
Did u replace the ignition switch? Last time I replaced mine I had the wires wrong and this is what happened



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