A C Trinary Switch Wiring Diagram For Cooling Fan
The electric cooling fans are designed to force air through the core of a heat exchanger i e.
A c trinary switch wiring diagram for cooling fan. Radiator a c condenser oil. Trinary switch wiring diagram. San antonio tx 78266 p. All you need to do is wire the trinary switch output to the fan relay s for full speed.
1 1 1 part no. Ford or gm pcm with power lead for engine cooling fan 30 85 86 87 87a blue blue red red red purple white white black ground battery auxiliary blue 12v key on ignition source 12v battery or ignition source pcm cooling fan power lead blue black green dark blue black green. Keep your engine and yourself cool by wiring a switch into your american. Refer to packing list for actual parts and quantities.
Images may not depict actual parts and quantities. It shouldn t be too hard to determine where to connect the trinary wire. I don t have the schematic for the spal controller but it may have been posted here previously. Terminal 1 black wire to compressor clutch terminal 2 black wire with white stripe to ac thermostat terminal 3 yellow wire to fan clutch or shutters terminal 4 orange or red wire to power.
Connect to the butt connector on the fuse holder wire. Vintage air 18865 goll st. 35532 vug 35533 vug 11076 vus description fitting 8 90 with service port fitting 10 90 with service port trinary switch female checked by. Steel chassis 10 steel chassis 16 ground fan ground t e m p s w 18 10 steel chassis to a c compressor from a c thermostat rad fan sw rad fan sw ac clutch sw ac clutch sw.
The trinary switch does that. In the vintage air diagram you will see that the blue wire on the trinary switch is used to ground switch the coil of the cooling fan relay. Purple a c switch. A trinary switch will allow your electric fan to turn on and off based on either engine temperature or ac system demand.
Maybe somebody could post it or a link. Using a trinary switch to turn on the radiator tm c 2014 temp sw cooling fan when air conditioning is turned on cooling fan thermostat or temp switch 30 amps max or.