inference with hb 596hddi

**MEATGETTER** · 03-23-2011, 11:03 AM

mounted on the bow and td on tm when you turn on tm the digital depth goes crazy and will not reset until the unit is turned off then back on, the wires are on acc. switch . the screen does not change just the digital any suggestions ??????

**Humminbird_Greg** · 03-23-2011, 01:06 PM

MEATGETTER,
I would start by calling the Humminbird Customer Resource folks at 1-800-633-1468 and explain what is going on. They should offer to send you a new PC-11 power cable that has an in-line noise ‘choke’ molded onto it. Also check to see that there is no connection between the trolling motor and cranking batteries. If you have a Minn Kota trolling motor with built in transducer, than you need to check in the head of the trolling motor for a fuse. If that is blown replace it.

**steve48** · 03-23-2011, 01:17 PM

You might try running a hot and ground from d/f to starting batt, with a small fuse in line, if you have wire available.You don't have to route them to check, and it sounds like interference from t/m

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