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Posts: 233
Location: Iowa | I would agree, I'd check and make sure your battery is good or is starting to get weak. It should last longer than that with a good battery. If it is good, I would start checking your wiring.
I had the kind of the same problem a while ago. I have a hds 10, 7 and structure hooked up to my starting battery. After fishing a while, Most of the time when I started the boat the graph on the console would cut out also. Battery was good, kept trying to figure it out and finally I was talking with a guy in Reeds. He asked me a few questions about how I wired it up. I told him I just pulled juice from the accessory switch on the dash and from there it goes to the circuit panel under the dash. He suggested running a dedicated wire from the battery up to the graph and bigger the gauge the better. So that is what I did. I ran a 12 gauge wire (with a fuse) up to the accessory switch and tied the graph and structure I into it. I haven't had another problem since.
Then the last part, I'm a little confused. You want a separate battery for your electronics but your going to hook them up together in parallel. I'm not following. You hook them up together they will discharge both equally. One is not going to just supply volts to the graphs and the other just supply volts to the motor when you hook them up together.
You can hook them up as you were saying and should give power longer but they should discharge equally.
I also believe I've read some where (I believe in the trolling motor instruction book) that the only thing that should be connected to your trolling motor batteries is your trolling motor.
Jeremy
Edited by jwelch 6/16/2015 10:39 PM
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