This listing is for an original a/c heater cable for all 1969 Firebird, Formula & Trans-Am & 1969-72 GTO, LeMans & Tempest WITH factory air conditioning.  Replaces Part #'s 9796540 & 9784763.  Cable length is 19" from loop to loop and roughly 16" sleeve, since the sleeve is adjustable to some extent. 

Slides smoothly from end to end and adjusts properly. All you need to do is install this unit in your car and use it.