Electrical

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Rughb

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Mar 18, 2013
3
Catalina 30 mkll Harbor Island
How do I fix a broken gas gauge and water pressure pump that won't shut off?
 

Tom J

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Sep 30, 2008
2,325
Catalina 310 Quincy, MA
The water pump keeps running when it runs out of water, of course, but if this isn't the case, then the pressure switch on the output of the pump is probably bad.
 
Nov 18, 2010
2,441
Catalina 310 Hingham, MA
In addition to what Tom offered, pumps will also run continuous when there is a leak in the system.

On the fuel gauge, how is it broken? Can't read it, doesn't change?
 
Feb 26, 2008
603
Catalina 30 Marathon, FL
Check the wiring to the gauge. I had a loose wire in the tank sending unit.
 
Jul 7, 2009
218
Catalina 30 Mark I Stockton, Mo
I had a similar problem with my water pump, only opposite. It wouldn't turn on when I turned on the water. Turns out you can adjust the pressure switch to make it turn on & off where you want it to. Check the owners manual for your pump and see if it has a similar adjustment.
 
Jul 25, 2007
320
-Irwin -Citation 40 Wilmington, NC
First the water pump. There are several types of pumps out there the most common being a ShurFlo. It is impossible to tell you much about how to trouble shoot without knowing just what pump you have. If you cannot read the label a photo will help. Like the others have said make sure your water supply is good, that you have plenty of water to the pump and that there is not a kinked hose on the pickup side. Also check for leaks or open faucets, it may seem obvious but sometimes they are hard to find. Let us know the type of pump and we can help more.

The fuel gauge. you say its not working but how so? Just not showing any level at all? If that is the case find the sender on the top of the tank, with the power on use a jumper to short the wire on the center of the sender to ground. The gauge should read full. if not the problem is in the wiring or gauge. If it does read full and empty when you remove the jumper then it is the sender and you will have to replace that. If it is the gauge you will have to get to the back of the panel. Check that you have power to the gauge. There will be a stud marked + likely with a red wire to it. With a meter or test light check for power. if you have power next find the stud marked S use your jumper to short this to ground. if the meter shows full the problem is with the wire to the sender, if it show empty then the gauge is bad and you will have to replace it.

Good luck let us know what you find

Capt. Wayne Canning, AMS
www.projectboatzen.com
 
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