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Discussion Starter · #1 ·
I installed an aftermarket radio with ac control knobs and i have gone over all of the wiring. nothing is un-plugged. there was one black wire (coming from the new kit) with a tiny metal prong that i couldn't figure where to plug in so i put electric tape over it. if i remember correctly the ac worked fine at first but now the air is only coming from the defroster up top. i read a similar thread [ http://www.taurusclub.com/forum/82-maintenance-repair/110160-only-defrost-works.html] <---- here.. which vacuum lines were they referring to and which plug. some pics would really help.
 

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Discussion Starter · #3 ·
possibly, ill check it out. i didnt know i had to go beyond the plugs and ground it myself but its worth a shot
 

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Sounds like you disconnected or broke a vacuum line or harness during the radio install. Nose around the area you were working. Vent selection will default to defrost with a vacuum leak. Vent selection is vac. controlled. Temp. selection is electrically controlled.
 
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