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

90,885

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

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
dragonflyoffshore
Reputation 4,930
#2 John Saffrahn
John Saffrahn
Reputation 3,490
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 3,070
View All

Related Models For Sale

Used Chevrolet Silverado 1500
1,749 Great Deals out of 169,652 listings starting at $1,800
Used Ford F-150
2,250 Great Deals out of 208,963 listings starting at $1,499
Used Toyota Tundra
479 Great Deals out of 34,015 listings starting at $3,000
Used Dodge Ram 1500
446 Great Deals out of 11,377 listings starting at $700
Used Toyota Tacoma
516 Great Deals out of 39,804 listings starting at $1,995
Used GMC Yukon
356 Great Deals out of 17,245 listings starting at $2,500
Used Chevrolet Tahoe
572 Great Deals out of 27,580 listings starting at $1,500
Used Ford F-250 Super Duty
338 Great Deals out of 47,620 listings starting at $1,795
Used Chevrolet Camaro
148 Great Deals out of 32,808 listings starting at $1,995
Used GMC Sierra 2500
161 listings starting at $4,995

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
38 Great Deals out of 42,130 listings starting at $20,121
2016 GMC Sierra 1500 For Sale
87 Great Deals out of 3,792 listings starting at $18,200
2015 GMC Sierra 1500 For Sale
99 Great Deals out of 3,920 listings starting at $15,400
2014 GMC Sierra 1500 For Sale
108 Great Deals out of 4,282 listings starting at $14,495
2013 GMC Sierra 1500 For Sale
62 Great Deals out of 2,114 listings starting at $9,260