Jimmy Easterling
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- Joined
- Aug 20, 2008
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I installed a HDS-7 this week on my boat and after a couple hours of fishing today the batteries were almost dead. I have the 24V TM, and two sonar/gps units running off the same batteries. Could this new unit have drained the batteries that quick? Haven't had a issue running the two 520. Guess I am going to have to run some wires to the cranking battery.