constance alarm under cockpit

rick hatch

Cadet
Joined
Aug 14, 2010
Messages
10
running my 1998 mercury 125 hp 2 stroke at low speed when alarm went off. checked oil level-fine, water pump pumping water out motor and water was not hot just warm to touch. temp gauge read little under 130 degrees. brought it home and turn on ignition and alarm still on.:eek:
 

sxmerc

Petty Officer 1st Class
Joined
Jul 13, 2010
Messages
247
Re: constance alarm under cockpit

I'll almost guarantee the float in the oil tank hsa gone bad. VERY common issue with these motors as they get older. With the key on, unplug the two blue wires coming out of the sender at the bottom forward part of tank. If horn takes a hike, you got either a bad sensor, or bad float. Either part is farly inexpensive. Get it fixed.
 
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