02 electric fan conversion

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Rayola88

Rayola88

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Red rocket i took it to a performance shop here in san Antonio called Nelson performance all they asked was what set up i had a 1 or 2 wire run to the ecm I have the 1 wire set up after I finished putting everything together in my tahoe i turned it on, one fan turned on waited patiently til also to make sure they both turned on with the temp, also had them turn the cooling fans @ 180°
 

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Red rocket i took it to a performance shop here in san Antonio called Nelson performance all they asked was what set up i had a 1 or 2 wire run to the ecm I have the 1 wire set up after I finished putting everything together in my tahoe i turned it on, one fan turned on waited patiently til also to make sure they both turned on with the temp, also had them turn the cooling fans @ 180°
Well there ya go, you're all set up so no need to mess with it further.
 

Tonyrodz

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What year and why can't you operate the fan through a signal from the pcm?
It's for my 03. I can't find anyone around me to turn it on through the pcm. I bought a harness from LS1harness, which has the pins to push into the pcm.
 

Prince13

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It's for my 03. I can't find anyone around me to turn it on through the pcm. I bought a harness from LS1harness, which has the pins to push into the pcm.

HOW MUCH WAS YOUR HARNESS FOR THE FANS
 

bottomline2000

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Red rocket i took it to a performance shop here in san Antonio called Nelson performance all they asked was what set up i had a 1 or 2 wire run to the ecm I have the 1 wire set up after I finished putting everything together in my tahoe i turned it on, one fan turned on waited patiently til also to make sure they both turned on with the temp, also had them turn the cooling fans @ 180°
180 seems low for the fans to turn on. I think mine activate around 209. Your engine will never warm up with that setting which will lead to other problems. 2 fans on low is better than 1 on high. You should have 2 fans on for engine temp and passenger fan cycle on/off with ac compressor.

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Yeah mine turn on at the factory setting which is around 210. I would think if you have them turn on too low it's just gonna wear the fans out faster since the thermostat is set to around 210 and that's what will do the most cooling. The fans will just be fighting the thermostat.
 

bottomline2000

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It's for my 03. I can't find anyone around me to turn it on through the pcm. I bought a harness from LS1harness, which has the pins to push into the pcm.
Your tuner should have been able to activate your pins. Justin does them automatically when being tuned.

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Rocket Man

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Your tuner should have been able to activate your pins. Justin does them automatically when being tuned.

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Not Tony's tuner. According to him it takes some sort of skill he doesn't have lol. This has been ongoing forever between Tony and his tuner. Also something about he can't activate the pin until the efans are actually installed first or it will mess something up.
 

Tonyrodz

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Your tuner should have been able to activate your pins. Justin does them automatically when being tuned.

Sent from my SAMSUNG-SM-T377A using Tapatalk
My tuner is the guy I told to F*** himself because he was basically calling me a liar when I told him he damaged my ac condenser. After paying him over $8000! So needless to say, I'm not going back to him.
 

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