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Home > Repair Pigtails (Connector Kits)
7-wire Blower Motor Resistor Harness
GM Approved - Dealer Certified

7-wire Blower Motor Resistor Harness

Part Number 201-12854
review 13 Review(s)
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Retail Price: $98.75
Your Savings: $71.25
Your Price: $54.00
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This is a 7-wire Blower Motor Resistor Harness (pigtail) used to repair melted and/or burned up harnesses on Chevrolet and GM (General Motors) cars and trucks. This harness plugs into the Blower Motor Resistor pack under the dash.

Our harness is an upgraded, direct replacement for the GM 15862656 and the AC Delco PT2195

In most cases the Blower Motor Resistor Pack will also have to be replaced. (available from you local parts house)

  • Used by Chevrolet and GM Dealerships since 2004.
  • When given a choice between our harness and the AC Delco harness, automotive technicians prefer buyWiring harnesses.
  • NO known failures.
  • Meets and exceeds all OE specifications.
  • Easy to install installation takes less than 30-40 minutes for most vehicles
  • Fits Chevy and GM Trucks 1995-2005
  • Replacement for:

    • AC Delco PT2195

    • GM 15862656

Manufactured By: AZCONN - Connectors & Terminals
Made In: U.S.A.
Minimum Order Qty: 1
Feature: Installation takes less than 30 minutes.
Feature: This is the ONLY harness that corrects the original problem!

This harness has been updated to address the failures in the original (OEM) harness and previous versions of the AC Delco PT2195 pigtail and GM 15862656 pigtail. All wire gauge sizes have been upgraded to easily handle the current demands of the Blower Motor at all speeds. Heavy duty 12 ga. wires for the 12v power, ground (-) and the high blower circuit.

Harness is color coded to match the original vehicle wiring (there may be exceptions to this depending on the year and make or your vehicle). Included are free Sealed Splice Connectors (Heat Shrink Butt Connectors) for easy installation.

If you prefer, you can solder the connections and then use a quality 2:1 or 3:1 epoxy heat shrink to cover the connections.


7-wire Blower Motor Resistor Harness application listing

  • 2004-2006 Buick Rainier
  • 2002-2007 Buick Rendezvous
  • 2005-2007 Buick Terraza
  • 2003-2006 Cadillac Escalade
  • 2003-2006 Chevrolet Avalanche 1500
  • 2003-2006 Chevrolet Avalanche 2500
  • 2004-2007 Chevrolet Aveo
  • 2003-2007 Chevrolet C4500 Kodiak
  • 2003-2007 Chevrolet C5500 Kodiak
  • 2003-2007 Chevrolet C6500 Kodiak
  • 2003-2007 Chevrolet C7500 Kodiak
  • 2003-2005 Chevrolet Cavalier
  • 2004-2005 Chevrolet Classic
  • 2005-2007 Chevrolet Cobalt
  • 2003-2007 Chevrolet Corvette
  • 2003-2007 Chevrolet Express 1500
  • 2003-2007 Chevrolet Express 2500
  • 2003-2007 Chevrolet Express 3500
  • 2006-2007 Chevrolet HHR
  • 2003-2007 Chevrolet Impala
  • 2003-2007 Chevrolet Malibu
  • 2003-2007 Chevrolet Monte Carlo
  • 2003-2004 Chevrolet S10
  • 2003-2006 Chevrolet SSR
  • 2003-2007 Chevrolet Silverado
  • 1999-2007 Chevrolet Silverado 1500
  • 2001-2007 Chevrolet Silverado 1500 HD
  • 1999-2004 Chevrolet Silverado 2500
  • 2001-2007 Chevrolet Silverado 2500 HD
  • 2001-2007 Chevrolet Silverado 3500
  • 2007-2007 Chevrolet Silverado 3500 HD
  • 2000-2007 Chevrolet Suburban 1500
  • 2000-2007 Chevrolet Suburban 2500
  • 2000-2007 Chevrolet Tahoe
  • 2003-2004 Chevrolet Tracker
  • 2002-2007 Chevrolet Trailblazer
  • 2005-2008 Chevrolet Uplander
  • 1997-2005 Chevrolet Venture
  • 2003-2007 Chevrolet W3500 Tiltmaster
  • 2003-2007 Chevrolet W4500 Tiltmaster
  • 2003-2007 Chevrolet W5500 Tiltmaster
  • 2004-2007 Chevrolet W5500HD Tiltmaster
  • 2002-2006 GMC Envoy
  • 1999-2007 GMC Sierra 1500
  • 2001-2007 GMC Sierra 1500 HD
  • 1999-2004 GMC Sierra 2500
  • 2001-2007 GMC Sierra 2500 HD
  • 2001-2007 GMC Sierra 3500
  • 2007-2007 GMC Sierra 3500 HD
  • 2001-2001 GMC Sierra C3
  • 2003-2007 GMC Sierra Denali
  • 2000-2006 GMC Yukon
  • 2001-2006 GMC Yukon Denali
  • 2001-2006 GMC Yukon Denali XL
  • 2000-2006 GMC Yukon XL 1500
  • 2000-2006 GMC Yukon XL 2500
  • 2003-2006 Isuzu Ascender
  • 2002-2004 Oldsmobile Bravada
  • 1997-2004 Oldsmobile Silhouette
  • 1999-2006 Pontiac Montana
  • 1997-1998 Pontiac Trans Sport
  • 2005-2006 Saab 9-7x
  • 2007-2007 Saturn Relay-1
  • 2005-2007 Saturn Relay-2
  • 2005-2007 Saturn Relay-3
Installation Insturctions - How To
Easy Installation Instructions from buyWiring:
Installing our pigtail harness is a snap! Use the color codes to distinguish which wire goes where. These installation instructions will guide you through the installation process whether you're an amateur hobbyist, occasional home mechanic, or professional automotive technician. If you've never done it before, here's how it's done in a simple step by step process. Say goodbye to low quality replacement harnesses and while you're at it, say goodbye to ever replacing a 7 wire blower motor resistor harness made by buyWiring.
  1. Cut original vehicle harness and connector kit wires in a staggered fashion to eliminate the stacking of splices.
  2. Strip 3/8 inch insulation from end of each wire to be connected. Be careful not to cut any of the wire strands.
  3. Connect wire(s) together with the provided sealed splice connector(s)

Wire Color Reference Table

Harness Wire Connects To
A-Tan M1
B-Yellow Lo
C-Purple M3
D-Lt Blue M2
E-Black Ground (-) Negative
F-Orange Hi to Relay Switch
G-Red Battery (+) Positive Feed


Make sure to connect the wires to the same position they were on the original harness (see Reference above).

Sealed Splice Instructions:

  1. Position stripped ends of wire into splice connector until wire stops.
  2. Hand crimp each side of the splice connector using an approved crimping tool (P/N 12085115). Gently tug on the wires to ensure that they are securely crimped.
  3. Apply heat to the outer shrink tubing of the butt connector until it seals against the wire. Use a heat gun or Ultra Torch P/N 12085116. A small amount of epoxy should flow from the ends of the shrink tubing when heated properly.
Do not use any open flame!

Do not over heat butt connector! "Connecting Your World - One Wire at a Time"
Customer Reviews View All Reviews
Rating Great product
Arrived just in time. My Delco replacement stopped working same day. 20 degrees. Very well made. Much better wire than OEM or the Delco replacement that also melted. This is what should have been installed in the first place. have checked it after driving with heat on full and no sign of heat in the wires. Time will tell. Glad I found this product. Colored wires made install very quick 20 mins.
  Reviewed by:   from Central NY. on 2/19/2014
Rating Retired Land owner, real estate manager
My son and I had problems getting our a/c blower motor to run on our 2006 silverado, and found the resistor harness burned out.Checked the internet and found Buywiring had what we researched was the best product available. The wiring was much heavier and as we found out after installation, would carry the max current with no heat generated at the plug. We want to thank buywiring for doing a great job of engineering in their wiring harness.
  Reviewed by:   from Nodaway Ia.. on 1/18/2012
Rating Fast Shipping and Right Product
I bought the product on the 27th of December because my wife's front vents in her trailblazer were not working. No speeds 1-5. I received the part 3 days later (really fast shipping). The part also came with instructions and heat shrink to use on the wires. After about an hr of work everything was hooked up. The moment of truth. I turned on her vents and they started blowing. Every setting from 1-5. Thanks!
  Reviewed by:   from Charleston, SC . on 1/2/2012
Rating great product
Easy to install
  Reviewed by:   from Indiana. on 11/17/2011
Rating a
This is a high quality product that is a huge improvement over the factory plug. My resistor was visibly burnt and lowest speed blower was not working. Strangly the factory plug and wires showed no signs of damage. The plug on the new harness is much tighter than the factory plug was. There is no doubt the poor original design contributed to the failure of the blower resistor. Great product and fabulous customer service.
  Reviewed by:   from Philadelphia. on 10/21/2011
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