CONNECTS INTERIOR HARNESS TO BLOWER MOTOR, BLOWER RESISTOR, BLEND DOOR ACTUATOR ETC.  

THE WHITE VACUUM TUBE GOING TO BLEND DOOR ACTUATOR NEEDS REPAIR. (99.9% OF THESE NEED REPAIR OR HAVE BEEN REPAIRED)  IT'S AN EASY FIX WITH SHORT LENGTH OF SMALL (1/8" ID) DIAMETER VACUUM HOSE.