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ECU Control Dual Electric Fan Upgrade Wiring Harness Kit for 1996-2006 GM Truck SUV

Fitment Guide:
2002-2006 AVALANCHE 1500
2002-2006 AVALANCHE 2500
2002-2006 ESCALADE
2003-2006 ESCALADE ESV
2002-2006 ESCALADE EXT
1999-2006 SIERRA 1500 PICKUP
2007 SIERRA 1500 PICKUP classic style
1999-2006 SIERRA 2500 PICKUP
2007 SIERRA 2500 PICKUP classic style
2001-2006 SIERRA 3500 PICKUP
2007 SIERRA 3500 PICKUP classic style
2002-2006 SIERRA DENALI
2007 SIERRA DENALI classic style
1999-2006 SILVERADO 1500 PICKUP
2007 SILVERADO 1500 PICKUP classic style
1999-2006 SILVERADO 2500 PICKUP
2007 SILVERADO 2500 PICKUP classic style
2001-2006 SILVERADO 3500 PICKUP
2007 SILVERADO 3500 PICKUP classic style
2000-2006 SUBURBAN 1500
2000-2006 SUBURBAN 2500
2000 TAHOE 00 Silverado style
2001-2006 TAHOE
YUKON 00 exc. Denali
2001-2006 YUKON
2000-2006 YUKON XL 1500
2000-2006 YUKON XL 2500
Petrol / Gas Engines Only - DOES NOT FIT DIESEL

Use this harness to Connect your electric fan upgrade directly through the ECU and let it control the fans (ECU does need flashed). The harness is setup to control your dual fan combo setup & comes wired with 05+ GM truck plugs also.

Double Control - This is a three relay system with a low and high speed ability. Use harness to pin your electric fan upgrade directly through the ECU and control the fans. ECU need flashed. Upgrading your truck to electric fans.

Installation Reference - This ECM has green and white wire pins. PCM has blue (C1) and red/green (C2) connectors. Pin the ECM green wire to slot #42 on C1, pin the ECM white wire to slot #33 on C2. Then it can be done with HP tuners or other tuning equipment that can unlock the PCM for turning on.

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Package Contents:
(1) ECU Control Dual Electric Fan Upgrade Wiring Harness Kit

Professional Installation is Highly Recommended (No Instructions Included)

Cross Reference Part Numbers:

NP-9906FANWH, 7L5533A226T

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