“Hello. My AC thermostat has G, Y, RC and RH wires. Do I need this product to install the Amazon thermostat?”
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Hi Jamalam, those are all the wires that you have the C wire adapter will not work. We need to check how many total wires you have, if you have any jumpers and the type of system that you have to help you check which would be the best option to add a C wire for your thermostat. We recommend you verifying if you have an extra unused wire and contact our tech support team at (800) 633-3991 or on social media and we will be happy to help. - Maria
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