SONAR Transducer Cable Repair - Moderated Discussion Areas

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Author Topic:   SONAR Transducer Cable Repair

ocean31 posted 02-26-2012 07:07 PM ET (US)
Help. While installing my new transducer for a Navman/Northstar 4200 fishfinder, I accidently partial cut the cable. Thankfully the cable is cut near the connector to the head/display unit. Now, I find it hard to belive I can not find a new connector for this unit. It is a 8-pin [connector]. [Seeks] a good source, assistance on fixing this partial cut cable. Thanks--jsb
contender posted 02-26-2012 08:13 PM ET (US)
How close to the connector are you? Can you work on it were it is? Can you pull the cable out? How about the dealer? It might be just as easy to purchase a new transducer. Can you solder?
ocean31 posted 02-26-2012 09:32 PM ET (US)
Thanks for the reply, I am fairly close to the connection, plenty of cable left. I can solder but these are very small wires wrapped in a very thin coax sheath. THe dealer simply says buy a new transducer, they do not sell the ends. Just seems crazy to me, that you can not buy a 8-pin female connector and redo the end. Spend too much time on this and it will end up being cheaper to just buy a new one. Thanks for the reply though--jsb
jimh posted 02-26-2012 10:10 PM ET (US)
Moved to SMALL BOAT electrical.
jimh posted 02-26-2012 10:19 PM ET (US)
If you can identify the manufacturer of the connector you can probably buy a new one for less than $10--marine electronics do not tend to use expensive connectors. A vendor like MOUSER or DIGIKEY will have thousands of connectors in their on-line catalogue. You may be able to figure out what connector you need. Otherwise, just splice the wires. At SONAR frequencies there should not be a problem with a good splice in the cable.
jimh posted 02-27-2012 08:23 AM ET (US)
Also, since you have the original connector, you can disassemble the original connector, remove the existing wiring, and re-use it. If the connector has been molded to the cable, just carefully cut away the molded plastic portion.

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Author	Topic: SONAR Transducer Cable Repair
ocean31	posted 02-26-2012 07:07 PM ET (US) Help. While installing my new transducer for a Navman/Northstar 4200 fishfinder, I accidently partial cut the cable. Thankfully the cable is cut near the connector to the head/display unit. Now, I find it hard to belive I can not find a new connector for this unit. It is a 8-pin [connector]. [Seeks] a good source, assistance on fixing this partial cut cable. Thanks--jsb
contender	posted 02-26-2012 08:13 PM ET (US) How close to the connector are you? Can you work on it were it is? Can you pull the cable out? How about the dealer? It might be just as easy to purchase a new transducer. Can you solder?
ocean31	posted 02-26-2012 09:32 PM ET (US) Thanks for the reply, I am fairly close to the connection, plenty of cable left. I can solder but these are very small wires wrapped in a very thin coax sheath. THe dealer simply says buy a new transducer, they do not sell the ends. Just seems crazy to me, that you can not buy a 8-pin female connector and redo the end. Spend too much time on this and it will end up being cheaper to just buy a new one. Thanks for the reply though--jsb
jimh	posted 02-26-2012 10:10 PM ET (US) Moved to SMALL BOAT electrical.
jimh	posted 02-26-2012 10:19 PM ET (US) If you can identify the manufacturer of the connector you can probably buy a new one for less than $10--marine electronics do not tend to use expensive connectors. A vendor like MOUSER or DIGIKEY will have thousands of connectors in their on-line catalogue. You may be able to figure out what connector you need. Otherwise, just splice the wires. At SONAR frequencies there should not be a problem with a good splice in the cable.
jimh	posted 02-27-2012 08:23 AM ET (US) Also, since you have the original connector, you can disassemble the original connector, remove the existing wiring, and re-use it. If the connector has been molded to the cable, just carefully cut away the molded plastic portion.