Electric Cooling Fan Conversion

[JavaMan]

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This is how I’m trying to test the fans.. power ground.. click right on.. however if I put both on at same time it slows to a crawl...

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You can't power those fans with that supply. Its rated 5amps, those fans will take 10-12 amps each.
That being a linear power supply, you will likely see the voltage drop below 9v trying to power up the fan, even lower with both fans.

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[big_mike]

That's after the thermostat. Coolant is flowing out of the engine there.

Hell I always forget the coolant flow is different between these 350s and the LS.

 

[Kv5137kv5137]

Java man. Thks. Cold outside but I’m going to test it today on my battery


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[Kv5137kv5137]

Ok... got her done..

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I’ll clean it up with loom tmrw .. but it comes on at around 200 about 5-10 seconds and off


Also have to throw fuses between positive fan and relay

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[Kv5137kv5137]

Cleaned up the wiring and added a fuse box. When the fans kick on there is a drop or decline in voltage then normal. Anyway to stop that from happening? I upgraded the amp to 140.


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[Supercharged111]

Since you're running without a shroud like me and Ken, you ought to create a plate that seals the core support to the front of the radiator so that air coming from the front of the truck is forced through the radiator.

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I later replaced those 2 POS relays with a 50A Hella relay and drew power right off the accessory stud vs the ABS pump that was fused at 60A. I did add a sweet resettable 50A breaker as well. And apparently took zero pics. I do have evidence of a properly supported battery cable though.

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[454cid]

I do have evidence of a properly supported battery cable though.

Lol. I don't have my shroud in and have had my cable zip tied for so long that I had to replace the zip tie awhile back.

 

[Supercharged111]

Lol. I don't have my shroud in and have had my cable zip tied for so long that I had to replace the zip tie awhile back.

I still ride dirty in other areas of the truck that I try not to talk about.

 

[Kv5137kv5137]

I will be cutting the original shroud to seal the upper part


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[kennythewelder]

Yea, mine is sealed all the way around. The Cadi fans do a good job and are quite when they are on. Ive been very happy with the swap.