Head issue

RBard48

New Member
Jan 14, 2014
17
Bradenton, FL
Boat Info
1997 37' Sea Ray Aft Cabin
Engines
7.4L Mercruisers
The waste control shows holding tank ½ full AND empty At the same time. After several pump outs the lights stay lit. Any suggestions on how to "attack" this issue?
 
The waste control shows holding tank ½ full AND empty At the same time. After several pump outs the lights stay lit. Any suggestions on how to "attack" this issue?
Have the same issue. I suspect it is just the indicator on the panel. My theory is that you are seeing light bleed through from the empty indicator light. As on mine the full is not lit. When the 1/2 is lit it is brighter so that is how I judge levels. In addition to just looking at the tank when I do my pre-check in the engine room

Interested to see if anyone else has looked at the indicator and fixed the issue.

Sent from my LG-D850 using Tapatalk
 
Tom, Never had this issue in the past unless tank was ½ full. It is pretty bright so I don't believe it is light bleeding through on indicator. In the past when tank ½ full the empty would not be lit. Usually only 1 is lit at a time. It just started so I am thinking a switch in holding tank itself. Trying to get other ideas before "diving" into that. I don't think that will be too much fun so checking everything else first.
 

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