35A Single Fan Relay Kit – Carbureted with Deluxe Trigger


This kit is for vehicles with carburetors with or without air conditioning.  This completely waterproof kit installs easily and plugs directly into your electric fan via a standard fan plug – of which most of the major fan manufacturers use.  Harnesses dressed in Split Braided Tubing for that show car look!

Triggering offers three modes via dash mounted switch:  ON/OFF/AUTO (see specifications below for specifics).  Powers fans requiring up to 35A continuously with minimal voltage drop!

Includes full color step-by-step instructions and all hardware shown.

Full specifications outlined below.



Wiring to Battery: 10 AWG TXL, terminated with a 5/16″ eyelet
Wiring to Fan: 10 AWG TXL pair, terminated with an OEM style fan plug
Maximum Current Capability: 35A
Typical Voltage Drop through wiring when driving a single 16″ fan requiring 25A continuous with 13.8 VDC of input:

  • Immediately after power up: 350mV or 2.5%
  • After 1 hour of continuous operation: 390mV or 2.8%
  • After 4 hours of continuous operation:  400mV or 2.9%

Triggering is as follows:

  • Dash mounted switch provides three modes:
    • ON – fan ON any time the ignition switch is in the RUN position
    • AUTO – fully automatic via thermostatic switch
    • OFF – fan OFF
  • Fully automatic via air conditioning (fan comes on when A/C compressor is running)

Thermostatic Switch Specifics:

  • 185 degF ON / 175degF OFF
  • Threads are 3/8″ NPT
  • Includes 1/2″ NPT adapter

Dimensions of Relay Module with mounting bracket installed:  2 15/32″ x 1 5/8″ x 3 17/32″ (62mm x 42mm x 90mm)

Harness Lengths:

  • Power Harness to Battery:  3ft
  • Output Harness to Fan:  3ft
  • Thermostatic Switch Harness:  4ft
  • A/C Harness:  5ft
  • Switched Power Harness:  6ft


There are no reviews yet.

Be the first to review “35A Single Fan Relay Kit – Carbureted with Deluxe Trigger”

Your email address will not be published. Required fields are marked *