Atv Fan Override Switch Install ~ Easy Mod!

If your ATV does a lot of idling or slow riding during the summer, this mod is for you!

Atv: 1987 Honda Foreman 350 D 4x4

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[larrywalden]

Thanks. Purchased a waterproof lighted switch just now after watching for my 06 rancher 350. Just finishing a top end freshening up and I want the engine running cooler than Honda sets that switch temp at to activate.

[waymonstoltz]

Damn, that's a pretty 4-wheeler. Looks like the 80s

[davydacounsellor]

My thoughts are put a new sensor in, then y in the wire beside the sensor to button then to the fan, giving your ground to the fan, bypassing the fan relay, as i assume the the live wire is giving power to the fan all the time, if not run a y to the fan postive feed, just incase its a broken wire or faulty fan relay, the ecu will still get its feed, as the relays are expensive. Just turn on the button when you start, Just a thought.

[jamessantiago]

It would've been cool to see how you did the wiring and crimping

[DaveNorthWest]

is there something wrong with not just getting the replacement sending heat switch thing for these or are they a rip off in price?

[rodbrezinski]

I literally just got done taking skid pan off my 98 foreman 450 fan hasn't been working took wire off that sensor u showed and put into one of skid platebolt holes with electrical tape then duct tape put skid plate on minus 1 bolt and works so far bit wish i would seen ur video first looks good temporary to i get a new sensor cuz i thought my x smoked the engine riding our grandson around real slow then stopped and picked flowers and left engine running after i told her fan wasn't working then she says it has no power and wont run let cool for 6 hrs starting running again but definitely doesn't seem to have the power like it did question will it hurt to run it with fan continously on until i get a new sensor which might be a month or 2 especially with all hot summer slow rides my grandson all he wants to do is ride on quad from morning till night x and me take turns all day riding him lol

[brianfreethy]

I like that, I'm doing the same, thank you

[thegarageetc]

I did this hack but the oil temp light is always on while the fan is running, is that expected? I'm worried that if I ever have an overheating issue ( I'm going to replace the original oil temp sensor) I will never know since the light will be always on. Thanks.

[DaveNorthWest]

Also are there any cheap nice fans for these that are more energy efficient and more performance? The OG fans are from 1985 from my understanding and you think a newer fan cheap but better these days?

[gstarz]

And if this doesn’t work is it safe to say that the control module or fan is bad ?

[sqcarroll]

Question, I have a blue 87 350d she runs good and idle fine, but if I setting still and give it WOT she dies, if rev her a couple of times, then WOT she is good. Any thoughts!

[hyper_channel]

Hey, do you still own the M4? How is it going with it? Given you any trouble?