Aprilaire Female Disconnect 4239 for the Model 700, 768, 760. The brown and yellow wires have a 9" length with ¼" spade connectors. This connector mates with the RP-4240 and snaps in to the Motor Board orifice plate (RP-4244).
The brown wires plug in to the circuit board terminals labeled Humidistat (TC3 TC4). Either brown wire can plug in to TC3 or TC4. The yellow wires plug in to the circuit board terminals labeled Solenoid (TC5 TC6). Either yellow wire can plug in to TC5 or TC6.