heater wont turn off?
I have a 91 silverado and when i turn my heater off itll stay off for 5 mins n then turn on on the floor. it doesnt show it on on the display? sometimes the triangles flash n wont let me turn it from heat to cold. i dont have a compressor on it any more i installed a bypass pulley cause all the bs the compressor was causin me. but this was a prob long be4 that. would it be a relay? sometimes it kicks on when i jump on the throttle. it never blows cold either only hot. i wouldnt mind so much if it didnt blow so damn hot i have to keep my windows down. i havnt tried much cept disconnecting the battery to reset it and turning it off and on repeatedly. also pulled the fuse and checked connections on back of the control unit (which is all digital on my 91 **not mechanical**) any help is appreciated.
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