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Dec 30th, 2023
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 Tach problem
#2731509
10/14/08 09:58 AM
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Joined: Mar 2004
Posts: 627
xgenex
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2004
Posts: 627 |
I have a 2003 Mercury 90hp. The tach shows some movment but it never reads right. I replaced the tach with no help. When I had my carberators cleaned last week was told the motor is not the problem most likly cause is wireing. Where can I get a wire diagram.
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Re: Tach problem
[Re: xgenex]
#2732527
10/14/08 02:29 PM
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Joined: Mar 2004
Posts: 627
xgenex
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2004
Posts: 627 |
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Re: Tach problem
[Re: xgenex]
#2733170
10/14/08 04:36 PM
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Joined: Aug 2006
Posts: 7,186
steve@S2Marine
TFF Celebrity
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TFF Celebrity
Joined: Aug 2006
Posts: 7,186 |
could be a bad voltage regulator. (is what i meant)
holler at rockwall marine
or OPTI will be along soon. he's a tech also.
Last edited by steve@scp; 10/15/08 09:46 AM.
S2 Marine 714 S. Main Quitman, Tx. 75783 www.s2marine.coms2marinesales@gmail.com Blazer Boats, Excel Boats, Sun Chaser Pontoons, Thor boats, Legend Craft Boats
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Re: Tach problem
[Re: steve@S2Marine]
#2733575
10/14/08 06:00 PM
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Joined: Dec 2003
Posts: 457
culeoka
Angler
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Angler
Joined: Dec 2003
Posts: 457 |
check the ground & send wire connections at back of gage.
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Re: Tach problem
[Re: culeoka]
#2733887
10/14/08 07:33 PM
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Joined: Mar 2008
Posts: 1,150
Brian Muirhead
Extreme Angler
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Extreme Angler
Joined: Mar 2008
Posts: 1,150 |
WEAR YOUR FLIPPIN LIFE JACKET
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Re: Tach problem
[Re: Brian Muirhead]
#2735123
10/15/08 07:34 AM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Mercury has plug connections for the gauges, in the wiring harness, that can cause problems like this. Most of the time when the tach is not working it is because the regulator is bad. Check the simple things first.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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