1990heater-motor gmc-truck;;;;;;;location on truck,motor making noise at high &low spd
okay...found two cartoons to look at....on shows it on the end of the "environmental control box" and the other on the firewall~
inside the passenger compartment~
have to get an eyeball on that to determine which configuration you've got~
of course we can find the cost of this motor...it varies~https://www.google.com/search? biw=1152&bih=624&tbm=shop&sclient=psy- ab&q=GMC+Sierra+1500+blower+motor&oq=GMC+Sierra+1500+blower +motor&gs_l=serp.12...0.0.0.227126.96.36.199.0.0.0.0.0..0.0.crnk_timecombine d...0...1..32.psy-ab..0.0.0.Y99ThT1Dy_E&pbx=1
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