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Replacing the Battery Charger |
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The old battery charger didn't work any more. The fuse holder
wasn't holding and one side of the isolator was open. I could have repaired
it, but a "Going out of Business" sale at the local boat store had a new
Guest charger on the cheap, so I decided to upgrade to today's technology.
Replacing a battery charger is very easy. You don't have to be an engineer,
just reasonably skilled with a screwdriver and drill. You just label each
wire before you remove them from the old unit and follow the instructions
for the new one.
The new charger,
installed and working!
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The old battery charger.
There are only six wires on our unit. On the DC (battery or -) side
there is a Ground, which you connect to the Negative terminals on both
batteries. Each hot wire (+) goes to a Positive terminal on one battery.
This lets the batteries charge independently, even if one battery goes
bad, the other will still hold a charge. The AC side had three wires. Just
cut the old AC feed and follow the color code. If your boat doesn't have
a white, black and green wire, STOP, get a professional to look at it.
Wiring it wrong can lead to all kinds of problems.
Finally mount your new charger. Pay attention to the manufacturers instructions.
Battery chargers give off heat and must have proper ventilation.
Well, that's done. I guess I can put the automobile charger back in
the garage.
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