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Have an '03 196 LTD with dual batteries. Recently, the boat was beeping at me due to low voltage. I traced the problem back to a bad Perko switch, replaced it, and all seemed well.
Over this past weekend I tested both batteries while the engine was running, and the 2nd battery in the back storage area was reading 14+ V, but the main battery was only reading 12.2V.
This tells me that the front battery is either shot and won't take a charge, or it is not receiving a charge. How can I test if it is getting charge, orther than to check voltage while the engine is running? Also, what is the small gauge wire and in-line fuse for by the main battery +12V terminal?
To recap, both batteries read~12.5V when engine is off. With engine on and battery switch set to "ALL" the 2nd battery reads 14+V and the main battery only reads 12.2.
Thanks!
Over this past weekend I tested both batteries while the engine was running, and the 2nd battery in the back storage area was reading 14+ V, but the main battery was only reading 12.2V.
This tells me that the front battery is either shot and won't take a charge, or it is not receiving a charge. How can I test if it is getting charge, orther than to check voltage while the engine is running? Also, what is the small gauge wire and in-line fuse for by the main battery +12V terminal?
To recap, both batteries read~12.5V when engine is off. With engine on and battery switch set to "ALL" the 2nd battery reads 14+V and the main battery only reads 12.2.
Thanks!
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