fan speeds
 

I only have high speed on heat/ac fan--where should I look to correct this problem?

sounds like you have some corrosion you need to get rid of.

thew low and medium fans resistance springs screwwe donto the top side of inside heatet box assembly need ot be checked out for burn and also swithc may be bad in the dash, the fan speed switch itself, inexpensive fix in either case ofrtunately

good luck

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Randy- Lincoln, IL
randy@ccaonline.com 2177353230
*many GM parts bought, traded, or sold -am parting out: '81 Cutlass Supreme Brougham

current fleet: -71 C-10 350/CH465/3.07- basketcase
-84 Z28 5.0L/700R4/3.73 daily driver
-84 Firebird/SE 2.8L/T-5/3.73/engine bad
-82 purple Trans Am, project #2
*Paint is overrated*
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