GT 40 - not starting
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=42535
Printed Date: October-06-2024 at 6:50pm
Topic: GT 40 - not starting
Posted By: the good ag
Subject: GT 40 - not starting
Date Posted: March-25-2018 at 8:01pm
I sure wish I could find a truth table / interlock chart for the GT-40. Hopefully ya'll can help me out. 98 ski nautique
Motor turns over but does not fire.
- kill switch is by passed, but opening up circuit does not change anything
- hi pressure pump primes
- put code reader on it, no codes
= swapped relays out with new ones, nada
- checked circuit breakers on motor, none are popped.
- battery connections are good (this boat does not have main fuse I've read about)
- tested and made sure battery was fully charged
- looked over motor and could not find any wires loose / cut
This acts just like kill switch but must be something else.
Thanks,
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Replies:
Posted By: SNobsessed
Date Posted: March-25-2018 at 8:03pm
Do you have spark?
Can you check the fuel rail pressure?
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin
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Posted By: Gary S
Date Posted: March-25-2018 at 8:32pm
Here is PCM's servicing manual,it's in the reference section- http://www.correctcraftfan.com/Downloads/Pro_BOss_GT-40_Service_Manual.pdf" rel="nofollow - link
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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport
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Posted By: KENO
Date Posted: March-25-2018 at 9:32pm
Here's some reading from an old thread that may or may not apply to you since you made no mention of whether you have spark or not.
And the 10 pin round connector in the manual is cleverly disguised as an 8 pin rectangular connector in real life
May have nothing to do with your issue but worth a read
Did you check voltage out of the breakers or just look to see if they weren't "popped"
http://www.correctcraftfan.com/forum/forum_posts.asp?TID=42231&title=diagnosing-no-start-gt40" rel="nofollow - link
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Posted By: the good ag
Date Posted: March-25-2018 at 10:40pm
thanks Gary S - I've dug around a bit and never found this manual.
Have not checked spark / rail pressure(don't have gauge for this) but from past experience it has always been some switch (ie kill switch) or relay.
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