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Author Topic:   Oily Residue on Leads at the Top of Feul Sending Unit
mojack posted 08-05-2010 07:43 AM ET (US)   Profile for mojack   Send Email to mojack  
I just fixed a significant leak in my fuel filler hose by replacing both the fuel filler and vent hoses. My Fuel guage hasn't worked since I got the boat a couple of years ago but the previous owner said he replaced it about 4 years ago. Upon inspection, (presumably due to the leak) there is a heavy coating of oily residue covering all of the leads on top of the sending unit. I'm needing to know what a good degreaser would be for this application and if I should follow up with some of that spray electronic contact cleaner? (I"m thinking the heavy residue is why it is not working, I could certainly be wrong)...
Jefecinco posted 08-06-2010 08:41 AM ET (US)     Profile for Jefecinco  Send Email to Jefecinco     
Try some Simple Green with paper towels to get the area clean.

You may want to remove the electrical wires from the sending unit terminals and clean both the terminals and the wire ends. If there is no corrosion a little acetone on a rag should clean things up well. I don't believe electronic cleaner would be needed. After cleaning and reconnection it may be helpful to add some "Liquid Tape" to the sending unit terminals and cable connections to minimize any later corrosion.


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