A C Trinary Switch Wiring Diagram For Cooling Fan
I don t have the schematic for the spal controller but it may have been posted here previously.
A c trinary switch wiring diagram for cooling fan. The trinary switch does that. Refer to packing list for actual parts and quantities. If the original trinary switch terminals are different a four wire boot connector part number 35900 can be used. Connect to the butt connector on the fuse holder wire.
35532 vug 35533 vug 11076 vus description fitting 8 90 with service port fitting 10 90 with service port trinary switch female checked by. 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. A trinary switch will allow your electric fan to turn on and off based on either engine temperature or ac system demand. When the pressure of the refrigerant in the system exceeds the set point of the trinary switch it will close its contacts and connect the fan trigger to ground.
Maybe somebody could post it or a link. Vintage air 18865 goll st. 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.
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. 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. Trinary switch wiring diagram. The electric cooling fans are designed to force air through the core of a heat exchanger i e.
San antonio tx 78266 p. Purple a c switch. Optional wiring switch a c trinary gray wire chassis ground manual operation optional fan switch 12 volt 12volt electric fan. Images may not depict actual parts and quantities.
It shouldn t be too hard to determine where to connect the trinary wire. Radiator a c condenser oil.