Compass 320 magnum metal detector where plugs go

Bobmac

Oct 24, 2026
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Oct 24, 2026
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Looking where and which male connector connects to male pins? One board has 6 pins but connector that was removed only has 3 female connections. A wiring diagram would be awesome. Thanks
 

josephii3

Dec 6, 2024
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Dec 6, 2024
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If you have a 6-pin header on the board but the connector only has 3 female wires, it usually means only 3 of those pins are actually used for that specific connection. Look closely at the board to see if there are any faint printed labels near those pins (like TX, RX, GND, or power).
 

Bobmac

Oct 24, 2026
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Oct 24, 2026
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Here is some info. I will check the board like you mentioned, but you may know a lot about these
 

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bidrohini

Feb 1, 2023
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Feb 1, 2023
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Hi Bob, is it a three-position plug, or a six-position plug with only three wires fitted? Are the board’s six pins in one row or two?

Please add clear close-ups of the header, the plug’s contact openings, and where its wires lead. Include any board markings.

Keep the batteries disconnected until the correct position and orientation are confirmed—fitting physically doesn’t establish the correct connection.
 

Bobmac

Oct 24, 2026
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Oct 24, 2026
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I am sending a few pictures. Hopefully clear ones. This was my dad’s, he was very much into research and finding. It worked awesome when I turned it on, while fooling with it in the house I lost the beeps on the speaker. So I disassembled the unit, do to a recent eye Len implant due to a bungee cords. So I pulled of the first 6 pin cloest to outside of metal box. Then I pulled off the other right next to it. Thinking it was also a full six pin. Went to reassemble then noticed only 3 female connector. So was not sure if it connected cloest to the other 6 pin or the last three pins. Still have to see what blew on the board. The speaker tested good. If pictures are not clear let me know please. I thank you no matter what. Could not find much info. I even looked for a match on eBay I would by, but can’t find a correct match. His has the toggle in tip of handle to switch between vlf and the other choice. Most I see toggle is in the box cover with the other switches. Thanks very much very much bob
 

Bobmac

Oct 24, 2026
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