BCBl – losing voltage to bow sonar unit

This topic has 9 replies, 2 voices, and was last updated 15 years, 8 months ago by Bass Cat Boats.

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September 20, 2010 at 5:10 pm #362296

ga catman
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For the past couple of weeks my bow sonar unit began shuting off. I traced the problem to low voltage. The unit is wired to the front accessory switch which was done at the factory. The unit will stay on when the OB motor is on but rapidly loses voltage once it is off. All other systems are operating normally. I switch units and it happens to both so its not a sonar unit issue. Any ideas on what is happening and how to resolve it before the SEBCOG tourney.On a side note: It was a happy weekend for the Reuwer residence: Georgia lost (Thanks Hogs) and Florida won. Good luck to the hogs this week against bama.

September 20, 2010 at 6:29 pm #362299

Bass Cat Boats
Keymaster

ga catman,At BCB we have worked on this and made some electrical changes. We would probably run a separate line if your having trouble. It may be corrosion, a connection or a terminal end with wires torn, though better supply would probably solve it. It does seem to have happened on a few with some time on them and we are leaning to corrosion. BCB

September 20, 2010 at 7:18 pm #362301

Bass Cat Boats
Keymaster

Some background: The problem started on an old unit which I thought it was going out so I bought a new HDS7 and placed it in the dash and moved the 520C to the front. In doing so, I replace the power cable and respliced into the orginal accessory wiring. I did not noticed any corrosoion and all the leads are tight. Where do you suggest I power to? I would like to go directly to the battery but I am afraid of the distance and how to fish the wires back there.

September 20, 2010 at 7:55 pm #362304

Bass Cat Boats
Keymaster

Shoot the wires through the sump to the rear and then route them to the battery or to the terminal block preferably. You can run a pair of ten or twelve gauge wires up there direct, though do run a circuit protector on the tail side. BCB

September 21, 2010 at 3:50 am #362307

Bass Cat Boats
Keymaster

I have had that same issue pretty often on my Puma. I would also like to run wires direct. I need a better explanation. Do you mean the terminal on the transom. Where would I connect up to. Also what do you mean by tail side. Thanks

September 21, 2010 at 4:01 am #362309

Bass Cat Boats
Keymaster

Run a circuit protector on the closest link to the battery, and yes to the terminal block where you have a solid supply of voltage from the main leads. The center sump/ballast has an opening all the way to the bow in the Vee.

September 21, 2010 at 8:49 pm #362313

Bass Cat Boats
Keymaster

Completed the task today. Coosacat I fished a cable from the tm panel back to the stern. There is only a small opening to get it back there but it was easier than pulling a cable from the back to the front.. I decided to connect directly to the cranking battery using fuse as a protector.

September 21, 2010 at 8:57 pm #362315

Bass Cat Boats
Keymaster

We are curious if the direct connection solved your issue at the end of the day.

September 22, 2010 at 1:36 am #362319

Bass Cat Boats
Keymaster

Im curious also as I think I need to do the same. I thought both units were connected to the main power switch but apparently not?

September 22, 2010 at 2:01 am #362322

Bass Cat Boats
Keymaster

Both units should be through the main power switch, though long term connection issues or corrosion cause these usually.
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