I have two TomTom adaptors to power my TomTom from the cigarette lighter, one with one power take off and the other with two (see photo attached), and neither works. I've bought a dual take off adaptor from ebay and that works as expected so can anyone throw any light on why the TomTom adaptors may be unserviceable. I don't know how long I've had them and assume at least one worked at some time but I've not needed one for a few years now and only went looking for one (in my drawer of bits and bobs!) when I bought a new car and figured this was the best way to power my GO 610 in this instance. Are they historically unreliable or is there an on/off switch I'm missing? I can't believe I'd ever have kept two defunct adaptors, I normally throw a broken thing away, so I assume they worked at some time.
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