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e-Fan Harness Tip


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#1 NipRing

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Posted 25 August 2015 - 09:17 PM

So i did the fan swap in April. I bought brand new Dorman fan setup on Amazon. I bought the harness from LS1Trucks.com and it went together rather flawlessly. However, i kept blowing fuses. I upped the 30a to 40a but id eventually blow those too. Then i started to notice the fuse holders themselves were melting. Even the relay base plugs were melting. I contacted LS1Trucks.com, but they didn't really offer too much help. I thought it was the fans. I had read some bad reviews but plenty of good ones too. But the bad talked about how much the fans drew and blew fuses. So, i actually got my money back from Amazon and then bought the GM efans. But the harness was in rough shape. So i contacted LS Performance Wiring on Facebook and bought his harness. Beautiful product, superior workmanship. 6 weeks after install i noticed a relay base starting to melt...WTF?? I did some reading, a lot of reading. Turns out one of the most common reasons for this issue...is putting the ground ON TOP of the black bracket that bolts to the alternator bracket, instead of under it  :idiot: Don't be an idiot like me. I wasted over $100 on that first harness  :cry:

Also, temp setting are hugely important. Set them too low and the fans will never shut off.

Edited by NipRing, 12 November 2015 - 08:20 AM.

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#2 Retired99

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Posted 25 August 2015 - 11:00 PM

Ground needs to go to the front frame horn where the front vehicle harness is grounded. 


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#3 Silverado777

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Posted 17 September 2015 - 04:38 PM

Ground needs to go to the front frame horn where the front vehicle harness is grounded. 

 

That's where I plan on grounding mine on my 04.

 

Any idea how long it took to swap out the fans and radiator? I need to complete this myself but I'm always on a time crunch and don't want to not give myself enough time. 


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#4 Retired99

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Posted 22 September 2015 - 10:33 AM

 

That's where I plan on grounding mine on my 04.

 

Any idea how long it took to swap out the fans and radiator? I need to complete this myself but I'm always on a time crunch and don't want to not give myself enough time. 

about 2 hours with proper tools and if you have never done it before. 


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#5 Silverado777

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Posted 22 September 2015 - 10:39 AM

about 2 hours with proper tools and if you have never done it before. 

 

I actually got it done Sunday night. Took about 2 hours, not too bad of a job. 


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- 05 Silver Birch Silverado - 383ci Stroker, Forged Internals, P&P 799 Heads, Radix MP 112, 2.8" Pulley 7psi, 60lb Injectors, OBX LT headers, single 3'' Flowmaster 44 exhaust, Cat delete, CAI, Taylor wires, 90mm TB, Custom 2 Bar Tune by Zippy, 285/50/20, Custom Ground Cam 214/230 .601/.579 117lsa, LS7 lifters, push rods, Patriot Dual Valve Springs and 1.75 roller rockers, Snow Performance Meth Injection, 4l80e, PI 2800 stall, 55w HID's front & rear, complete LED interior swap, NNBS center console, LED Brake lights, 2/4 drop, EBC slotted rotors, Stainless Steel brake lines, rear disc brake conversion, 3.73's, TA Diff cover w/ Eaton True Trac locker, blacked out SS grill, cleared headlights, complete sound system, Cowl Induction hood, Welded and Smoothed roll pan. 504 RWHP and 627 TQ without Meth. (SOLD)

- 08 Ignition Orange G8 GT - Vararam CAI, OBX LT Headers, 3" X pipe, SOLO Axle Backs, SLP Underdrive Pulley, HSRK, Tune by Zippy, 19x8 Front 19x9.5 rear, CTS-V Brembos all around (SOLD)

 

- 2010 Black Raven CTS-V, M6, Full Build, 771whp / 716 wtq

- 09 Pearl White Mirage GSX-R 750 - Micron Exhaust, K&N Intake, Power Commander 3, Geared
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#6 Retired99

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Posted 23 September 2015 - 04:48 PM

 

I actually got it done Sunday night. Took about 2 hours, not too bad of a job. 

:thumbsup:


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#7 SilveradoJakee

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Posted 05 October 2015 - 08:40 PM

Can anyone give me a part number to the harness? Maybe a picture of what it looks like? I'm really picky with the stuff I install and want it to luck clean so I don't want some cheap ugly looking one!
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#8 SSmoothSilSS

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Posted 08 November 2015 - 01:35 AM

Nelson Performance sell it for $109. I think also Zippy does. And Blackbear  Performance use to not sure they still do.

 

single_pin_harness.jpg

 

 


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#9 1FASTBRICK

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Posted 08 November 2015 - 09:09 PM

Black bear stopped selling them. I believe he was getting them from LS1 fan guy but not 100% sure.

 

PCM on NC has a really nice one all though it's a little more expensive. I installed one on a friends truck. If I recall it already had the large 40 amp fuse. The holder is actually different between a 30 amp and a 40 amp. I believe the wiring is larger for a 40 amp.

 

3001903-500x500.jpg


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#10 SilveradoJakee

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Posted 12 November 2015 - 09:26 AM

Anyone has a link or a website? I go to those websites and cant find anything..


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#11 SSmoothSilSS

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Posted 13 November 2015 - 12:12 AM

Here you go.

 

http://www.nelsonper...com/fan-harness


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http://www.cardomain.com/ride/220485 03 Red Silverado SS, Frederico F/B Swaybars, 03 Honeycomb Grille, 22" Replicas, Lowered 2/2 with Bell Tech Spindles and Shackles. BlackBear Tune.

03 Silverado RCSB Clone SS, 4/6 Drop, Chrome 22 Reps, 6.0 LQ0 Motor, (in progress)

96 Impala SS Black, mods include CIA Headers, Cat Delete, SSmooth Bumpers, Alu. Driveshaft, Herb Adams Sway Bars, JM Control Arms, Eibach Springs, Simmons Wheels 18 inch.
2010 Camaro RS/SS BLK 6 sp. 22 inche SV-1 Wheel, Pedders Adj. Coil overs.

Black SS clone #3
  Silverado SS Silverado SS
 
 

 


#12 1FASTBRICK

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Posted 13 November 2015 - 01:02 AM

http://www.pcmofnc.c...-conversion-kit


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#13 SuperSickSS

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Posted 08 April 2016 - 10:15 PM

Where can i find the e fans from. I have a 03 silverado ss and sucks when clutch fan comes on. Any links or local places in Los Angeles area?
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#14 darienms1986

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Posted 09 April 2016 - 11:34 AM

Junkyard, rockauto or flexalite

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#15 Erics03silverado

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Posted 27 November 2016 - 03:48 AM

Dont you have to get your computer tuned?


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