Mercruiser Inboard Motor, Engine & Velvet Drive Won’t / No Start, No Crank MIE 350 MAG MPI Ski
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- čas přidán 21. 07. 2024
- Links Below: Diagnosing a Mercruiser Inboard Motor / Engine & Velvet Drive Transmission no start & no crank. This '99 Sanger DLX Ski Boat with a Mercruiser 5.7 Engine (MIE 350 MAG MPI Ski) & Velvet Drive Transmission had a no start / no crank issue. This video demonstrates the steps I used for diagnosis and repair.
00:00 Intro
01:00 Demonstration of Wakeboard Boat No Crank / No Start
01:27 Caution When Continuously Turning Key To Start Engine
02:05 Understanding Mercruiser / Velvet Drive System Design
02:51 1st Test, Testing Neutral Safety Switch Operation
04:00 Adjusting (Centering) Velvet Drive Neutral Safety Switch
05:11 Comparing New To Old Neutral Safety Switch
06:19 2nd Test, Neutral Safety Switch Wiring & Slave Solenoid
07:21 Mercruiser Slave Solenoid Installation
07:49 My Learnings Prevent Your Mistakes & Wasted Time
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Parts for '99 Mercruiser 5.7 Inboard & Velvet Drive Transmission (confirm your fitment):
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How To Repair A Starter Solenoid / How Does A Slave Solenoid Work? • How To Repair A Starte...
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This guy was spot-on I came to my wit's end until I saw his video my boat was diagnosed in about 2 minutes it was definitely a slave cylinder hello also like to add that your oil pressure switch will cut your fuel off and it will run and leak gas down your cylinders into your oil pan if you leave your key on and your oil pressure switch
Glad my video helped! And thanks for the extra tip ;)
Great video. For what it's worth you can take the 12 volt wires off the solenoid stud. Set your meter to Ohms and energize the coil side to see what the contacts read. If you read an ohm value more than continuity, it would justify replacing the solenoid.
Thanks for that tip
Superb video: explained and demoed well. ..ie, How he diagnosed the defective the SLAVE SOLENOID that did not allow current to get to the neutral kill switch on the transmission.
Thank you!
This was a huge help!
very glad to assist! Stay tuned and let me know if you have other subjects for a good vid...
Very informative. Hopefully this saves someone out there some $$ with the same issue. Thanks for sharing! 🙌
Thanks for watching! Was dealing with this intermittent no-start for years... should have fixed sooner. :)
Great video!
Thank you very much! Hope it helped
Had the similar issue last year where when we were out on the water boat wouldn't turn over. Checked all the normal safety switches to ensure the lanyard wasn't pulled etc. of course being on the water we didn't have a meter to actually test anything. I was able to jump the solenoid and the boat fired right up. The problem was intermittent the rest of the day. This weekend I will be actually trying to finally diagnose the issue and I will now start with the solenoid to see if that's my issue. Thanks for the video, very informative.
very glad it helped out! And you're lucky you have some diagnostic skills to get you off the water. ;)
I was just going to ask because mine just started acting up today Mercruiser 5.0 not cranking intermittently. Can jump the solenoid just to get started if I am out in the lake?
You can do that, but be very careful. When jumping, you create a spark and as you might know, a spark in a boat can be catastrophic. Gas Fumes will ignite and cause an explosion. My recommendation is to get it fixed asap.
@@DrivingIntelligence If I do have too I will make sure to run the blower and leave the engine up for a while before I try.
Awesome! 🙏🏽💪🏽🤙🏽
Thank you! Glad it helped!
This video was very helpful. I have an 89 Supra with a similar problem. The solenoid is making a buzzing noise and starter not engaging when jumpering solenoid poles. Starter and solinoid are new. Can you help?
Thanks for checking in... difficult to diagnose without seeing the boat. Are you sure the starter was installed properly? Only thing I can think of is either a faulty part out of the box, or something is obstructing the starter from spinning causing the noise. Can you remove the starter and try to start it off the engine to at least rule out the starter as the problem? Sorry I can't be more helpful at this point!
thanks
Hope vid helped!
I'm having issues with no starting or nothing on my 94 ski centurion falcon. I have power. No kill switch on this boat. I've replaced the 50 amp breaker and no change. I replaced the solenoid and the same result. When the key is in the on postion, it has a buzzing noise. I don't see any fuses. I do notice there is an oil pressure switch above my oil filter. If I unplug the wire, the buzzing stops but does not crank on still. I ordered that and the neutral safety switch. I hope one of those fixes the issues. It's been a head scratcher for me.
Have you been able to check ohms and voltage as I show in the video?
@@DrivingIntelligence I have not. I'm going to buy a volt meter today and will check resistance.
@@mosesandres3385 that should help you isolate the issue
@@DrivingIntelligence hopefully I will post update.
Please do
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