I installed E-fans on my 2001

[YukonXL04]

Ls1fans.net has the pulley.

The factory harness will attach to the under hood fuse panel. Pretty sure you have to remove the fuse panel cover so you can access the power stud

 

[chrisreed822]

Awesome!! Even though summer is almost over, I think it's time to go ahead and convert over to electric fans!!


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[Rocket Man]

I used ls1fans harness and overdrive alternator pulley with good results.

 

[alacran]

Can someone put this in dummy terms. My head hurts (well not really lol). Yes I have used google.
I have a 01 tahoe and have the oem fans and harness. And i can't understand which wires and where they go to into the pcm? Thank you in advance

 

[kses123]

Can someone put this in dummy terms. My head hurts (well not really lol). Yes I have used google.
I have a 01 tahoe and have the oem fans and harness. And i can't understand which wires and where they go to into the pcm? Thank you in advance

See the little black connector hanging by itself? It has two tiny wires in it, one blue and one green. Those are the two that go into the PCM.

 

[bottomline2000]

See the little black connector hanging by itself? It has two tiny wires in it, one blue and one green. Those are the two that go into the PCM.

Not on an 01. Blue wire to pcm, green wire will have to go to ac trigger. Have to tap the wire running from the compressor but u can access it like @ScottyBoy did. Makes for a clean install. Also have to wire in a relay for the ac trigger.

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[alacran]

Not on an 01. Blue wire to pcm, green wire will have to go to ac trigger. Have to tap the wire running from the compressor but u can access it like @ScottyBoy did. Makes for a clean install. Also have to wire in a relay for the ac trigger.

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Ok thanks i just got the plug and pins from the junk yard. I need a tune after this correct

 

[bottomline2000]

Ok thanks i just got the plug and pins from the junk yard. I need a tune after this correct

Yes, just need to activate pins.

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[alacran]

Yes, just need to activate pins.

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Ok thank you for your help

 

[1998chevy1500]

Shameless plug for those folks wanting to have the 1999-2002 trucks control the fans based on A/C system pressure just like the 2003+ ones do. https://www.tahoeyukonforum.com/threads/electric-fans-on-2002-1500hd-with-proper-a-c-control.106034/