Note 1: All wiring harnesses should be constructed of Tefzel aircraft wire (M22759/16 grade). All wires to be 22 AWG, with power and ground wires to be 18 or 20 AWG. Shielded wires are to be used where noted. Protection against chafing and wear should be taken by using cable jacketing or sleeving. Prior to completion of installation, verify that all connector pins are seated properly and the mating connector is securely attached. Important– please note the power of the unit before installing; it will be either 14VDC or 28VDC and clearly marked as such on the unit's data tag.