1999 GMC Sierra Pickup Truck

Asked by Jul 27, 2014 at 03:28 PM about the 1999 GMC Sierra 1500 SLT 4WD Extended Cab LB

Question type: Maintenance & Repair

The blower fan inside my truck works only on low and medium but will not work on high??

1 Answer

102,115

High speed blower relay is the most likely problem. Also the blower motor could have high start amperage draw on high speed.

1 of 1 people found this helpful.

Your Answer

GMC Sierra 1500 Experts

  • #1
    dragonflyoffshore
    Reputation
    5,400
  • #2
    John Saffrahn
    Reputation
    3,740
  • #3
    Glenn Clingenpeel
    Reputation
    3,430
View All

Related Models For Sale

Used Chevrolet Silverado 1500
2,256 Great Deals out of 168,224 listings starting at $1,000
Used Ford F-150
2,559 Great Deals out of 195,338 listings starting at $1,300
Used Toyota Tundra
458 Great Deals out of 33,418 listings starting at $2,000
Used Dodge Ram 1500
360 Great Deals out of 10,825 listings starting at $1,500
Used Toyota Tacoma
576 Great Deals out of 44,301 listings starting at $2,200
Used GMC Yukon
462 Great Deals out of 22,338 listings starting at $1,995
Used Ford F-250 Super Duty
312 Great Deals out of 45,312 listings starting at $1,700
Used Chevrolet Tahoe
717 Great Deals out of 41,409 listings starting at $1,995
Used Chevrolet Camaro
433 Great Deals out of 30,716 listings starting at $2,495
Used Ford Mustang
585 Great Deals out of 36,206 listings starting at $1,200

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
80 Great Deals out of 22,847 listings starting at $23,378
2016 GMC Sierra 1500 For Sale
139 Great Deals out of 4,063 listings starting at $16,990
2015 GMC Sierra 1500 For Sale
170 Great Deals out of 5,215 listings starting at $16,900
2014 GMC Sierra 1500 For Sale
163 Great Deals out of 5,020 listings starting at $13,750
2013 GMC Sierra 1500 For Sale
78 Great Deals out of 2,134 listings starting at $8,450

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.