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Engine Issue... |
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thyeag1982 
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Joined: August-01-2015 Location: Alabama Status: Offline Points: 4 |
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 Topic: Engine Issue...Posted: August-11-2020 at 11:15am |
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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. |
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8122pbrainard
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: August-11-2020 at 11:33am |
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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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thyeag1982
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Joined: August-01-2015 Location: Alabama Status: Offline Points: 4 |
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Posted: August-11-2020 at 1:57pm |
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Yes, we're getting 12 volts...
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MrMcD
Grand Poobah
Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3749 |
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Posted: August-11-2020 at 1:59pm |
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Normally means the key switch has worn out but Pete is telling you how to verify.
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: August-11-2020 at 2:00pm |
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Check if the coil is getting the 12. If not, then check any connections between the coil and the switch.
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thyeag1982
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Joined: August-01-2015 Location: Alabama Status: Offline Points: 4 |
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Posted: August-11-2020 at 2:47pm |
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Thanks for the responses!.
I'll let you know what we find. |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: August-11-2020 at 3:03pm |
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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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Hysteria
Groupie 
Joined: May-31-2020 Location: Indiana Status: Offline Points: 70 |
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Posted: August-11-2020 at 4:20pm |
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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.
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: August-11-2020 at 4:36pm |
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Unless modifications have been made or the boat repowered, there is no resistor bypass during cranking on his engine.
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Hysteria
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Joined: May-31-2020 Location: Indiana Status: Offline Points: 70 |
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Posted: August-11-2020 at 4:44pm |
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I didn't see anywhere that he listed what boat he is working on |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: August-11-2020 at 5:08pm |
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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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3mile
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Joined: June-07-2020 Location: Pittsburgh nort Status: Offline Points: 27 |
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Posted: August-13-2020 at 7:09am |
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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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Hysteria wrote: