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Boat Stereo System


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joeymeier 
Member - Posts: 9
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Joined: January 05, 2006
Location: United States
Posted: January 16, 2006 at 7:02 PM / IP Logged  
Unless something is wrong on your Bayliner, If you checked the battery with a volt meter before and after cranking the engine, You should find the outboard to have a alternator on it. You might want to install a  Perko style battery switch which would allow you recharge the stereo battery while running the motor and would keep the boat battery safe from discharge from the stereo..
vwgolf1128 
Copper - Posts: 120
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Joined: February 11, 2005
Location: United States
Posted: January 16, 2006 at 8:41 PM / IP Logged  
If your getting a second battery, try to conceal it as much as possible since I have had batteries stolen before just having one.
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jgpenner 
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Joined: January 16, 2006
Posted: January 17, 2006 at 7:46 AM / IP Logged  

Two questions:

1. If I installed two batteries, how do you connect them together? 

2. What readings should I see on the volt meter before and after the engine is running?

joeymeier 
Member - Posts: 9
Member spacespace
Joined: January 05, 2006
Location: United States
Posted: January 17, 2006 at 7:47 PM / IP Logged  
A Normal battery in its fully charged state will read around 12.5 volts with no load on it (lights, radio off). The output of your alternator should be around 13.8-14.2. You may need to raise the idle to check the voltage while the engine is running. A Perko battery switch allows you  to connect both batteries to a rotary style switch and then you can select battery 1 or battery 2 or both or off. If you normally run the boat for a season without recharging thr battery, i bet you will find  14 or so volt at the battery while it is running. Do a google search for Perko battery switch.
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