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Questions about adding factory e-fans to my 04 silverado

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Old 05-03-2009, 06:07 PM
  #11  
I have a gauge for that
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Why not just put plugs in the holes for the tranny?
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Old 05-03-2009, 08:09 PM
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Originally Posted by Atomic
Why not just put plugs in the holes for the tranny?
From what I know about hirdlej, he's very picky about his truck, and likes to keep it looking as 100% OEM as possible. Doesn't want any plugs in the end tanks that don't belong there...just my guess though
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Old 05-03-2009, 10:25 PM
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Core supports for a 2500HD are definately different than the 1500's. The 1500's and the 1500HD's may be the same.....even the 2500's may be the same....but the 2500HD's are definately NOT the same.

This is why I know....

https://www.performancetrucks.net/fo...d.php?t=438064
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Old 05-04-2009, 07:14 AM
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I found that Schram auto parts has some new GM OEM radiators for 5 speed trucks for $150. I'm going to get one from them. Gotta keep it GM I'll see if they have some new take out fans as well. And yes I'm picky, nothing looks more ghetto than parts with plugs, adaptors and wires hanging around that look like they're not supposed to be there. I even reinstalled my stock intake manifold for now until I can rework all the wiring and hoses for the 90mm intake I HAD on. It's gotta look better than it did.
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Old 05-04-2009, 07:16 AM
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Is that a 34" radiator? I need one too with the oem fans. I like schram, it seems like they hvae the best parts
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Old 05-04-2009, 08:10 AM
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Yuppers, they had about 10 according to car-part.com.

For manual transmissions
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Old 05-04-2009, 08:13 AM
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Originally Posted by apex2112
Do you know what needs to be modified on the Nelson harness to make it work with pin 33?
Its wired completely different. I would recommend purchasing a new style harness and selling your old one.


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Old 05-04-2009, 08:37 AM
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Originally Posted by Derek @ EDO
Its wired completely different. I would recommend purchasing a new style harness and selling your old one.


Derek
New style as in an OEM harness? Any idea how much they run from GM and a part number?
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Old 05-04-2009, 03:02 PM
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GM continually changes part no's but the latest I had on the 05 efan harness was #15912597. Not sure what the price is.
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Old 05-04-2009, 03:43 PM
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Originally Posted by RWC
You have to change the A/C relay hookup wires. It comes setup for 12V to power the hi-speed relay when the compressor comes on. Pin 33 "grounds" out to energize the relay. Rewire the hi-speed relay coil to the fan 12V source for power and the other side to pin 33 and then tune it. It has worked for me for 4 years.
just wondering if I run a wire from the one tied into pin 33 and then to my switched ground will this allow me to turn the fans on high speed?
sorry for being off topic just really wanted to know this
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