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Can you attach a photo or two of the parts you are talking about? That would help. These are made by a number of different companies.
One of the front would be good. Do you have a small multimeter? That would be very helpful here for some testing. About $20 or so at most hardware stores.
No second photo received........did you send or attach it? You can e-mail it to me at***@******.***
Just checking back in to see if you were able to resolve this issue or do you still need some additional input from me here?
Good move! Please let me know what they report.