I have a card reader which doesn't work. Of course it could be the motor or the circuitry. (Although when I do the Cat 2 test it tells me that the programmes for the card reader are all there. Can anybody give me a clue as to how I can test the motor separately. For example can I put the motor wires onto the battery pack. If so which connection is which. Black +ve or -ve.
Thank you in advance.
HP41 Card Reader
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