Chevy GMC Buick Olds Isuzu Blower Motor Resistor ACDelco 15-81772 - 1AACD00016

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This AC DELCO blower motor resistor is a new part. It is the same piece that you would receive if you purchased it from your local GM dealer.

It is just what you need to bring your heating and A/C blower system back to good working order! On most vehicles it is mounted to the HVAC unit inside the passenger compartment. It can be accessed from the passenger foot well area.


  • Brand New AC Delco Blower Motor Resistor
  • Replaces dealer part numbers: 15415789, 89019100, 15-81095
  • 100% tested prior to leaving the factory
  • 7 & 2 Terminal Connection
  • 4 Bolt Mounting Flange
  • Direct replacement
  • Built to strict quality control standards
  • Fits models with Manual Air Conditioning only
    • Does NOT fit models with Automatic Temperature Control (ATC)

If you are experiencing intermittent stopping during use or the fan only works in one position this may be your solution!

Our electrical and electronic parts are subject to strict quality testing.

Parts cannot be returned after they have been installed. Contact us with any questions before installing the parts.

Left Hand Drive Note:

“All of our auto parts are intended for Left Hand Drive USDM vehicles and might not have been tested on Right Hand Drive platforms. If your vehicle is Right Hand Drive, please do your research prior to making a purchase to ensure the part is correct for your specific vehicle.”

Item Condition: New

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

  1. step : Remove the AC Fan Blower Motor (1:00)
    • Under the passenger side dash, unbolt the plastic cover using your 7 mm socket and ratchet.
    • Unclip the wiring from the plastic panel.
    • Open the glove compartment and unhook it to let it drop down.
    • Use your socket, ratchet and extension to unbolt the blower motor.
    • Unplug the wiring harness from the blower motor and pull the blower motor down and out.
  2. step : Install the blower motor (4:48)
    • Insert the blower motor up into place.
    • Plug in the wiring harness.
    • Bolt into place with your 7 mm socket and ratchet.
    • Rehook your glove box back in and close it.
    • Clip the wiring brackets back to the plastic cover.
    • Bolt the plastic cover back on with your socket and ratchet.

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 7mm Socket

5.00/ 5.0
5 Stars
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1 Star
Thank you 1A Auto for your assistance with correcting my address in your data system and resending my resistor which works perfectly installed per your video, you have done a excellent job with everything I have ordered from you
November 20, 2018
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Year Make Model Description
2004-2007Buick Rainier Buick Rainier with Manual Temperature Control Blower Motor Resistor
2002-2009Chevy Trailblazer Chevy Trailblazer with Manual Temperature Control Blower Motor Resistor
2003-2005Chevy Trailblazer EXT Chevy Trailblazer EXT with Manual Temperature Control Blower Motor Resistor
2002-2009GMC Envoy GMC Envoy with Manual Temperature Control Blower Motor Resistor
2002-2006GMC Envoy XL GMC Envoy XL with Manual Temperature Control Blower Motor Resistor
2004-2005GMC Envoy XUV GMC Envoy XUV with Manual Temperature Control Blower Motor Resistor
2003-2008Isuzu Ascender Isuzu Ascender with Manual Temperature Control Blower Motor Resistor
2002-2004Oldsmobile Bravada Olds Bravada with Manual Temperature Control Blower Motor Resistor
Only 3 left in stock
Part 1AACD00016
In Stock

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Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Brand #: 15-81772