mast wiring and windex questions

Jun 7, 2016
315
Catalina C30 Warwick, RI
I have a couple questions about my mast wiring / connectors.

First is, does anyone know where to find these types of connectors. I know of them as cannon plugs but can't seem to find them, not sure if there is a different / better name to search for them under.
nav connector.jpg


I have 2 long test wires that I can connect from my mast step to the mast on the ground to test the lights and anonometer. I need to replace the female side of this plug shown on my test wire.

the second question is I plugged in my anonometer with the other test wire and at a rest it is reading 12 knots of wind speed. I had my 7 year old spin it and it read 59mph. It is an old data marine system and I dont have time this year to replace the entire system. Does anyone know if they can be calibrated, or if there are common problems with the instrument at the mast head, or if it could be that the connectors are oxidized causing interference?
knotmeter 1.jpg

Data connector.jpg
 

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LloydB

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Jan 15, 2006
927
Macgregor 22 Silverton
4-CONTACT SCREW-LOCK CONNECTOR or 8 pin DIN connector was not shown on SBO store however if you called them I'll bet that they could find it for you if you told them what you wanted. However if it were me instead of looking for those parts I would first be cleaning up the ones I had making sure that they were clean and well protected with non conductive grease. If the SBO store doesn't have those I think the last time I got one I went to Napa for a 4 pin trailer connector that was waterproof and put it on my deck for my mast lights.
 
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Johnb

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Jan 22, 2008
1,457
Hunter 37-cutter Richmond CA
Suggest you get a light and a magnifier and look for a part number embossed in the plastic of the connector