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SPAL® High Output Fan (H.O.) Relay Harness

SPAL® Electric Fan High Output (H.O.) Relay Harness (12V) for use with SPAL # HO-RELAY and High Output Fans # 30102800 and #30103202. Relay is not included


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SPAL® electric fan relay wiring kits are designed to automatically turn on your SPAL electric fan when the air conditioning is turned on. They can also be used when dual electric fans are installed using one switching device. Relay is not included


  • Makes installation of your new fan a breeze
  • Designed to work Exclusively with SPAL High Output (H.O.) fans 30102800 & 30103202
  • Designed to work in conjunction with SPAL waterproof 40 amp relay Part # HO-RELAY with printed wires for easy installation
  • Harness is designed for 12V systems only
  • Does not include thermo-switch
  • SPAL® is a trademark of SPAL Automotive S.R.L LLC Italy and used herein with the owner’s permission. SPAL® is registered in the United States and may be registered in other countries


A/C Relay IncludedNo
Emission Code5
Fan Off Temp (F)175
Fan On Temp (F)195
Fan QuantitySingle
Manual Override Switch IncludedNo
Product TypeFan Wiring Kit
Relay Amperage40 Amps
Relay IncludedNo
Sending Unit IncludedNo
Sending Unit Thread SizeM6 x 1
Thermal Switch StyleStock
Wiring Harness IncludedYes
Part NumberFRH-HO



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

For the Relay used with this harness, try part # HO-RELAY mentioned in the "We Suggest" related products area.


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