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Mercury 125 temp sender location
#12420192
09/09/17 06:20 PM
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Joined: Jan 2011
Posts: 25
Knotacull
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jan 2011
Posts: 25 |
I have a 2003 Merc 125 with constant console alarm with key turned on before starting. I believe the temp sender is bad and can be TS by unplugging wire but I can not locate the senser or wire. I have the shop manual but the picture sucks. Could someone post or text a picture showing location please. 817-937-6510
Many men go fishing all of their lives without knowing that it is not fish they are after. ~Henry David Thoreau
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Re: Mercury 125 temp sender location
[Re: Knotacull]
#12420726
09/10/17 02:36 AM
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Joined: Mar 2003
Posts: 1,349
scruboak
Extreme Angler
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Extreme Angler
Joined: Mar 2003
Posts: 1,349 |
Best I can find from searches is sensor has a brown wire with blue line all pics appear to be top port side .
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Re: Mercury 125 temp sender location
[Re: Knotacull]
#12421146
09/10/17 05:16 PM
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Joined: Jun 2004
Posts: 1,509
OPTI
Extreme Angler
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Extreme Angler
Joined: Jun 2004
Posts: 1,509 |
Its not going to be your temp more than likely it going to be a bad float in the oil tank and float is not repairable complete tank will have to be replaced. But the answer to your question is the temp sender is on the back of the motor and it is a tan with blue tracer wire....OPTI
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Re: Mercury 125 temp sender location
[Re: Knotacull]
#12421261
09/10/17 07:17 PM
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Joined: Jan 2011
Posts: 25
Knotacull
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jan 2011
Posts: 25 |
Thanks for the reply. I changed the oil tank last year so thought it was likely engine temp but OPTI got it, another oil tank sensor failure. Thank you both. I also found and checked temp sender its on the aft of the power head on my motor 2003 Merc 125 4 cylinder 2 stroke sn 0t685682
Many men go fishing all of their lives without knowing that it is not fish they are after. ~Henry David Thoreau
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Re: Mercury 125 temp sender location
[Re: Knotacull]
#12422718
09/11/17 07:34 PM
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Joined: Nov 2012
Posts: 11,573
txmasterpo
TFF Guru
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TFF Guru
Joined: Nov 2012
Posts: 11,573 |
You should remove all of that oil injection, tank, etc....mix in the tank....did mine years ago along with performance reeds and carb job....runs like a scalded [censored] ape
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