Thread: oxygen sensor 4-wire p/n question 94 E320
View Single Post
  #3  
Old 03-29-2005, 07:43 PM
manny manny is offline
Registered User
  
Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
" Generic " wire colours are:
Black = O2 signal
White = O2 sensor ground
White = O2 heater ground
Grey = 12 volt power to heater element.
__________________
2007 C 230 Sport.
Reply With Quote