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Several years ago I bought a few of them for my car, bike and jet ski. They were about $20.00 each at WalMart. At the time they had two different brands for sale. For some reason or other, I didn't like going thru the lighter. Always hooked up to the battery terminals. Paranoid I guess.................
A friend of mine did this with his late 80's Z28 during winter storage through the liter and it melted one of the wires and popped the fuse... Used the terminals after that.
A friend of mine did this with his late 80's Z28 during winter storage through the liter and it melted one of the wires and popped the fuse... Used the terminals after that.
I don't know what your friend was doing, but the charger I use can only furnish 1.5 amps of current. This is typical of such battery maintainers, and it's not enough current to melt any wires feeding a lighter socket, or pop the fuse protecting this circuit, even with a direct short circuit to ground. And the fuse in your friend's Z28 should have prevented any wires from melting in any case, unless somebody had installed a fuse with a higher rating than should have been in this circuit.
I have rigged up identical chargers with lighter plugs for several friends, and neither they nor I have had any problems whatsoever, over the course of many years of use, and there's no reason they ever should. The fuse that protects the lighter circuit provides an additional margin of safety, as compared to connecting a charger directly to the battery with no fuse in-circuit, and that's one of many reasons I favor this approach.