Posts: 726
Location: Eau Claire, WI | Oh just the usual: fridge, microwave, bandsaw. stuff like that. LOL!
Seriously, I've got 2 520s, 350a, x67c, marine band radio (although not on all the time). My electronics will shut off when I turn the key (actually this happened prior to installing the 520s and the radio) and I know there are more boats out there that do this. So there is a threshold that is crossed no matter the cause that creates an under voltage situation which leads to a shut down. FWIW, this is a 27 Interstate Marine Starting/Deep Cycle in question. It is a year old.
I am familiar with the volt meter on the lowrance units. Problem with them is that you can't see the voltage when it shuts off. So you would need a device to measure voltage external to the unit at the moment the unit shuts off.
My old boat had no problems. My new one has a 150 opti on it and from what I've heard they are notorious for demanding a lot of cranking power to the detriment of other devices connected at the time the key is turned.
So just playing around with what some options might be. You have no problems, that is great!
Jono
Edited by Jono 4/11/2008 1:12 PM
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