Parts Needed to Install Two Single/Dual Stage Radiator Cooling Fans

Updated 01/08/2018 | Published 01/07/2018

Products Featured in This Question

Derale 40/60-Amp Dual Relay Wiring Harness for Dual Fan Assembly

(4)

$50.86

Derale 14" High-Output, Electric, Single Radiator Fan - 2,100 CFM

(19)

$196.95

Question:

Is this two speed.? High And Low.? Also does it come with instructions or are the wires labeled

asked by: DeSean

Expert Reply:

There are typically two types of radiator cooling fans; single stage fans and dual stage fans. Most single stage fans operate at one speed (high) whereas dual stage fans operate at two speeds (high/low). The Derale 40/60-Amp Dual Relay Wiring Harness part # D16765 will allow you to install both single and dual stage fans but will not convert a single stage fan into a dual stage fan.

The Derale 14" High-Output, Electric, Single Radiator Fan part # D18214 is a dual stage fan than can be controlled at both low and high speeds.

expert reply by: Conner L