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Posted: Mon Jan 25th, 2021 10:23 pm

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Tsquare

Joined: Fri Nov 10th, 2017

Location: Suwanee, Georgia USA

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When I put them on my Lariat I used an aftermarket controller with the duel Volvo fans out of the SUV. The controller had manual over-ride that could be hooked up to the AC clutch or a manual switch. I hooked up an LED to let me know when the fans were on in one of the gauge pods along with an over-ride switch for one of the fans. The two other pods had a temp sensor feeding temp gauges of water coming into the radiator and water leaving the radiator. The intake also supplied the on/off temp to the controllers.

The AC got colder quicker if I turned on the non-AC controlled fan in the summer. It freed up another 10hp and added another half mile per gallon city and 1.6 MPG Hwy. At altitudes less than 3000 feet the fans would not come on in 100 degree weather on the highway.

Your wiring to have the illuminated switches depends on the switch wiring. Some switches only illuminate when the switch is on. Other switches operate on an external control. How much are you willing to spend? LEDs are cheap if you are good with solder.

____________________
Tony
NE ATL
'04 XLT regular cab 3.slo stepside
Semi retirement