What kind of wire is used to turn on a fan?
SIGNAL CIRCUIT 12V SWITCHED (IGNITION OR FUSE PANEL) Power “ON” when key is in the “RUN” position. 1ST RELAY TURNS ON FAN WHEN TEMP SENSOR IS ACTIVATED BATTERY 86 30 87 85 12V SWITCHED WIRE TO GREEN WIRE AT A/C CLUTCH. NOTE: OR IN AN ’84 TO ‘89 240 YOU MAY USE THE A/C POWER ‘ON’ WIRE: RED/WHITE WIRE AT AC SWITCH MICROSWITCH IN DASH.
How to wire an electric fan from scratch?
In wiring electric fans from scratch you need to follow some basic rules of electricity, but it’s pretty easy. Here are a few key tips before we start – Use the proper sized wire for your systems current draw Fuses or circuit breakers must be used to keep your car (or truck) from burning to the ground in the event of a short circuit
Where is the fuse on an electric fan relay?
The orange wire on the relay should see a 12 volt signal when the ignition switch is turned on. The other two wires on the relay are the meat and potatoes of the system, with the yellow wire connecting to the battery along with the supplied fuse mounted within 12 inches of the battery.
How is a 2 wire PC fan controlled?
A 2-wire fan is controlled by adjusting either the dc voltage or pulse width in low-frequency PWM. A 3-wire fan can be controlled using the same kind of drive as for 2-wire fans – variable dc or low-frequency PWM.
SIGNAL CIRCUIT 12V SWITCHED (IGNITION OR FUSE PANEL) Power “ON” when key is in the “RUN” position. 1ST RELAY TURNS ON FAN WHEN TEMP SENSOR IS ACTIVATED BATTERY 86 30 87 85 12V SWITCHED WIRE TO GREEN WIRE AT A/C CLUTCH. NOTE: OR IN AN ’84 TO ‘89 240 YOU MAY USE THE A/C POWER ‘ON’ WIRE: RED/WHITE WIRE AT AC SWITCH MICROSWITCH IN DASH.
The orange wire on the relay should see a 12 volt signal when the ignition switch is turned on. The other two wires on the relay are the meat and potatoes of the system, with the yellow wire connecting to the battery along with the supplied fuse mounted within 12 inches of the battery.
How big of a wire do I need for a fan?
RECOMMENDED WIRE SIZES: 8-10 GA: FAN POWER AND GROUND. 16-18 GA: ALL OTHERS. SIGNAL CIRCUIT 12V SWITCHED (IGNITION OR FUSE PANEL) Power “ON” when key is in the “RUN” position. 1ST RELAY TURNS ON FAN WHEN TEMP SENSOR IS ACTIVATED BATTERY 86 30 87 85 12V SWITCHED WIRE TO GREEN WIRE AT A/C CLUTCH.
What does it mean when the fuse blows on an electric fan?
If the fuse does blow, then it’s a sure indication that you have too much draw on the system and a second relay should be added. For a second relay, both gray wires can be connected to the temperature sender, and both orange wires can be connected to your 12 volt ignition source.
When does the first relay turn on the fan?
1ST RELAY TURNS ON FAN WHEN TEMP SWITCH IS ACTIVATED 5 AMP FUSE SIGNAL CIRCUIT 12V SWITCHED (IGNITION OR FUSE PANEL) Power “ON” when key is in the “RUN” position. 86 87 30 85 Optional override switch turns on fan, by-passing temp sensor and A/C relay.
How many volts does an electric fan need?
Suggested Electric Fan Wiring Diagrams Suggested Primary Cooling Fan – Single Speed (ON/OFF) Using 12 Volt Switching Devices Only for Primary Activation NOTE: Most stand-alone adjustable thermostats (i.e.: Hayden, Flex-a-Lite or Perma-Cool brands) can provide a 12 volt output when activated.
Where is the fuse on an electric fan?
OPTIONAL 2ND RELAY OVERRIDES TEMP SENSOR AND TURNS ON FAN WHEN A/C IS TURNED ON TEMP SENSOR SWITCH IN RADIATOR COOLANT OR OPTIONAL ADJUSTABLE FAN SWITCH WITH RADIATOR PROBE (GROUND SWITCHING, NON- VARIABLE SPEED ONLY) 5 AMP FUSE POWER SOURCE SHOULD BE BATTERY OR JUNCTION BLOCK NEAR BATTERY FAN