This Four Seasons HVAC Blower Motor Relay fits your 1987 GMC R1500 and is perfect for a tune up or performance upgrade. .
FOUR SEASONS HVAC Blower Control Switch Fits 1987-1991 GMC V3500
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FOUR SEASONS HVAC Blower Control Switch Fits 1987 GMC V1500
FOUR SEASONS HVAC Blower Motor Connector Fits 1995-2003 Ford Windstar
FOUR SEASONS HVAC Blower Motor Connector Fits 1998-2006 Lincoln Navigator
