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Dec 30th, 2023
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 Tachometer stop working
#709640
04/23/06 02:05 PM
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Joined: Jan 2005
Posts: 349
GDHin
OP
Angler
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OP
Angler
Joined: Jan 2005
Posts: 349 |
My tach. stop working on my 1997 125 Mec I think my Volt. REG went out how can I test it?
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Re: Tachometer stop working
#709641
04/23/06 03:59 PM
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Joined: Nov 2005
Posts: 4,061
Mike Halfmann the boatmann
TFF Team Angler
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TFF Team Angler
Joined: Nov 2005
Posts: 4,061 |
When you turn the key to the "on" position, the needle on the tack shoud point to "0". If it doesn't, you have lost power to the tach. If it does point to "0", then 99.44% it is the voltage reg/rectifier. this is a simple replacement and shouldn't cause the average guy any problem to replace. Just remove it and carry it in to your local repair shop and they will test it for you and they will be able to order a new one.....
mike halfmann
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Re: Tachometer stop working
#709642
04/24/06 12:17 PM
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Joined: Nov 2005
Posts: 1,491
RonH
Extreme Angler
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Extreme Angler
Joined: Nov 2005
Posts: 1,491 |
Hey boatman is this the same on a 94 johnson 115hp ? sometimes it works sometimes it doesn't now sometimes when I start it the volt meter needle swings back and forth and I get continious alarm. I turn it off and restart it everything is ok
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Re: Tachometer stop working
#709643
04/29/06 01:15 AM
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Joined: Jan 2006
Posts: 916
champRD
Pro Angler
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Pro Angler
Joined: Jan 2006
Posts: 916 |
ok. i have a tach issue also. 97 MERC 150 . TACH is bounceing all over and sticking? same issue ?
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Re: Tachometer stop working
#709644
04/29/06 01:09 PM
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Joined: Dec 2002
Posts: 3,832
Tommy Yetts
TFF Team Angler
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TFF Team Angler
Joined: Dec 2002
Posts: 3,832 |
Some of the older rectifiers can be bench tested, the newer voltage regulators can't be bench tested. It is best to take the boat and motor to the service facility for testing. Mike is correct is saying that the most common failure for tachometers are related to the rectifier or regulator.
Tommy Yetts
Rockwall Marine
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Re: Tachometer stop working
#709645
04/29/06 01:51 PM
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Joined: Feb 2006
Posts: 74
kyle_tx
Outdoorsman
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Outdoorsman
Joined: Feb 2006
Posts: 74 |
Seems to be the week for tach problems. Mine went out the other day. I have a 99 johnson 225. Where is the rectifier/reglutor. I followed wires from tach to a wire harness w/ 8 wires. is this it?
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