starter replacement in JC Tritoon, 5.0l mercruiser

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firedog
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Joined: Thu Jan 29, 2015 1:24 pm
Location: Casper WY

starter replacement in JC Tritoon, 5.0l mercruiser

#1 Post by firedog » Tue Sep 21, 2021 7:36 pm

Hello
I need some help with my starter problems. It wouldn't start the last time we were out. The engine cranked over about 3 to 4 seconds, starter slowing down each second and then stopped. It would click but nothing else. Thought it was a bad battery. Got it home, I have two batteries, Deep cycle, and starting. both showed 12.2 volts on a multimeter. Charged them up and still only 1 click when I turned the key. Tried jumping across the remote starter solenoid , only a faint click, 12.4 volts on one post, 0 on the other. 2005 JC Tritoon, not a lot of room to work in. Anyone replaced this starter before? I think if I removed the exhaust manifold it would give me access to it. Any Advice? Thank you in advance, I tried doing a search but was unseccessfull.
2005 JC 246 24" Tri-toon 5.0l V-8 "Can't You Sea"
2015 F-150 3.5 Eco Boost, Platinum
2004 F-350 Superduty, bulletproofed
2019 Toyota Highlander
30' Coleman 300 TQ
Several 4-Wheelers
Casper WY

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Marc K
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Location: Eustace, TX

Re: starter replacement in JC Tritoon, 5.0l mercruiser

#2 Post by Marc K » Wed Sep 22, 2021 1:48 am

Still sounds more like a battery/cable/connection/solenoid related problem than a starter. Did you remove and clean your terminal connections? See what voltage that you are getting leaving the solenoid while trying to crank.

Depending upon the chemistry of your brand of battery, a fully charged battery is 12.7v to 13v with no load on it. 12.4v after charging indicates a problem. (12.2v is a weak battery)

A badly sulphated battery won't reach a full charge voltage when charged. It may seem to be OK when resting, then fall flat on its face under load.

Marc
Big and ugly but we love our 1999/2000 Crest II DL with a Yamaha F115

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TWB
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Re: starter replacement in JC Tritoon, 5.0l mercruiser

#3 Post by TWB » Wed Sep 22, 2021 7:06 am

Marc K wrote:
Wed Sep 22, 2021 1:48 am

Still sounds more like a battery/cable/connection/solenoid related problem than a starter. Did you remove and clean your terminal connections? See what voltage that you are getting leaving the solenoid while trying to crank.
A couple of years ago I went through exactly what Marc is describing. I was ready to replace the solenoid/starter, too, but in a moment of "It will do no good, but I'll try it", I took a wire brush to the terminals on them. Lo and behold - started right up. I felt like a relieved idiot.

Good luck.
Paul & Michele
2003 Landau DX 24' Cruise "Loretta Jane"
2003 Mercury 75hp
My Rebuild: http://pontoonforums.com/viewtopic.php?f=16&t=26135

"Don't waste brain cells over something you can do nothing about." --My Wife

firedog
Posts: 14
Joined: Thu Jan 29, 2015 1:24 pm
Location: Casper WY

Re: starter replacement in JC Tritoon, 5.0l mercruiser

#4 Post by firedog » Wed Sep 22, 2021 7:58 pm

Thank you, I will try cleaning them and using my jumper starter on them again. I would rather double-check than spend a lot of time and effort changing something I didn't need to.
2005 JC 246 24" Tri-toon 5.0l V-8 "Can't You Sea"
2015 F-150 3.5 Eco Boost, Platinum
2004 F-350 Superduty, bulletproofed
2019 Toyota Highlander
30' Coleman 300 TQ
Several 4-Wheelers
Casper WY

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Rick McC.
Posts: 419
Joined: Fri Mar 31, 2017 7:12 pm
Location: Weeki Wachee, Fl

Re: starter replacement in JC Tritoon, 5.0l mercruiser

#5 Post by Rick McC. » Sun Nov 07, 2021 7:18 pm

So what did you find?
Rick

Sights are for the unenlightened.

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