Description
Product Overview
The Painless Dual Activation Cooling Fan Relay 30114 is engineered for high‑performance automotive applications. With a 40 Amp current rating, silver contact material, and a quick‑connect design, it offers reliable, low‑resistance switching for engine cooling fans. The relay operates electrically at 12 V DC, supports a maximum switching current of 40 A, and is built to withstand temperatures up to 185 °F. Its painted exterior and compact car‑mount form factor make installation straightforward.
![[Product front view showing all components]](https://www.nimbusfinds.store/wp-content/uploads/2026/06/23c84bc65fea49f38275aed368ee550f.jpg)
Usage
Designed for street‑legal and track vehicles, this relay activates the cooling fan when the engine reaches a preset temperature or when the air‑conditioning system engages. Ideal for project cars, performance builds, and daily drivers, it fits standard car‑mount locations and connects easily to ignition and A/C compressor circuits via Posy‑taps. The relay’s robust construction ensures consistent operation in harsh engine bays.
Why Choose Us
Painless Performance Products delivers automotive components with a focus on durability and precision. This relay undergoes rigorous testing to meet OEM standards, guaranteeing a 4.5‑star rating from verified users. Backed by responsive customer support and a comprehensive warranty, it provides peace of mind for both DIY enthusiasts and professional installers.
Key Features
- Dual activation ensures fan operation based on temperature or A/C demand for optimal cooling.
- Quick‑connect terminals simplify installation and reduce wiring time.
- Silver contacts deliver low resistance and high conductivity for reliable performance.
- Compact car‑mount design fits standard relay locations without modification.
- Supported by Painless customer service and a warranty for added confidence.
FAQ
Can this relay be used with both gasoline and diesel engines?
Yes, the relay’s 40 A rating and temperature‑based activation make it suitable for most gasoline and diesel applications.
What wiring size is recommended for the connections?
Use 14‑16 AWG wire for the ignition and A/C circuits to ensure safe current handling.
Is the relay compatible with aftermarket cooling fans?
Absolutely, as long as the fan’s voltage matches the 12 V DC system and the current draw does not exceed 40 A.
How does the dual activation feature work?
The relay monitors engine temperature via a thermostatic switch and also receives a signal from the A/C compressor; either condition will close the contacts and power the fan.
What is the warranty period for this relay?
Painless offers a one‑year limited warranty covering defects in materials and workmanship.




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