Fresh Air Blower Control Module -J126-, Connector Views

4-Pin Connector -T4cb-

Courtesy of AUDI OF AMERICA, LLC

T4cb (A)	Designation
1	Terminal 31, to 81 Ground Connection 1 (in instrument panel wiring harness) 45 Ground Connection (behind instrument panel, center)
2
3	Terminal 30, from Fuse Panel C SC
4	Climatronic Control Module J255