hey where would it be on an 87?My blower fans like stuck on medium setting no low or high,and this might be something to look into. i haven't yet but be nice to know all i need to when i look into it,and be nixce to get high air working again so freeze me out next summer.LOL.

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1987 black custom xlt,ext. cab 4x4,military-surplus 2.9L, stock 3"lifted;5 speed auto trans w/ manual 4x4,borg-Warner-turbo transfer case,grinds out progressive aluminum mags w/goodyear wranglers; keyed entry alarm,duel 280w interface deckw/usb n bluetooth,jvc6x8s rear,jvc4"160wfront,crome bed side rails,tuff liner bed liner also blacked out headlights,limo black window tint. called the BULLSNAKE cuz its the best small-n-toughest 4x4 ford built!!