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2501 Ludelle Street 

Fort Worth, Texas 76105 

817-244-6212 Phone • 817-244-4024 Fax 

888-350-6588 Sales • 800-423-9696 Tech  

E-mail: [email protected] 

Web: 

www.painlessperformance.com

 

 

30115

 

DUAL ACTIVATION FAN RELAY WITH 185

o

 ON 175

 o

 OFF 

THERMOSTAT INSTALLATION INSTRUCTIONS 

 

This electric fan relay kit has a capacity of 30 Amps and will operate a single or dual fan setup.  
The relay will activate the electric fan if the thermostat reaches 200 degrees Fahrenheit or if the 
A/C compressor clutch is engaged. 
   

1.

 

Mount the relay under the hood in a convenient location as close to the fan as 
possible. Use the ¾” self tapping hex screw to mount the relay base.  The black wire 
with the ring terminal preinstalled will also need to be grounded with this terminal.  
Make sure the area you mount this provides a clean ground for the black wire. 

 
2.

 

Install thermostat into a 
water jacket in the head or 
intake manifold.  Unroll the 
PINK wire from the parts 
kit.  Strip ¼” of insulation 
from the copper on one end. 
 Crimp one of the female 
spade connectors onto this 
wire.  Push the spade 
connector onto one of the 
male spades on the 
thermostat.  Route the PINK 
wire from the thermostat to a 
12 Volt ignition hot source.  
Cut it to length and use the 
blue Posi-tap to make the 
connection.  To the right is 
an illustration of how to use 
a Posi-tap. 

 
3.

 

Route the GRAY/WHITE wire from the relay to the thermostat.  Strip ¼” of 
insulation from the copper and crimp on the other female spade terminal.  Push this 
onto the other male spade terminal on the thermostat.   

 
 
 
 

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