Overview of wiring diagrams for trailer coupling

PE31.00-P-1100SAA

Overview of wiring diagrams for trailer coupling

27.2.09

PE31.19-P-2101SAA

Trailer recognition control unit wiring diagram

Model 221.0 /1
with CODE (550) Trailer hitch
up to model year 2009 /AE08
control unit N28/1

PE31.19-P-2101SAA

PE31.19-P-2101SAB

Trailer recognition control unit wiring diagram

Model 221.0 /1
with CODE (550) Trailer hitch
as of model year 2010 /YoM 09 model refinement package
Control unit N28/1

PE31.19-P-2101SAB