97 F350 o2 sensor
Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 13
From: Sand Lake, MI
Thanks Dan for helping out. The O2 sensor wiring is tied together with the MLPS and solenoid pack wiring. Remove that heat shield to gain access to the solenoid pack connector. Then remove the connector from the MLPS. Now that cable bundle can be pulled down from around the transmission for a visual inspection.
Manual lever position sensor, on the side of the trans where the shift linkage connects, tells the computer what the driver selects.
New User
Joined: Mar 2014
Posts: 2
Likes: 0
Do you know which wires hook together on the O2 Sensor? I have a 96 F350 with the 5.8l and the wires were ripped off at the plug. I have 4 wires coming from the Sensor. A black and 2 white and another wire that I'm cleaning to figure out the color. The wires where the plug was are Orange, Gray/light Blue, Black, Purple/Orange. Any help will be appreciated!!
Fleet Owner
Joined: Oct 2005
Posts: 20,786
Likes: 1,751
From: Kentucky
If the fourth wire is gray then you may find this helpful:
All Bosch 4-wire sensors have a black wire for the signal, a gray wire for ground and 2 white wires for the heater.
Reference this diagram for the functions of each wire at the connector:
All Bosch 4-wire sensors have a black wire for the signal, a gray wire for ground and 2 white wires for the heater.
Reference this diagram for the functions of each wire at the connector:
New User
Joined: Mar 2014
Posts: 2
Likes: 0
So, make sure I have this correct... the Orange and Gray/Light Blue wires go to the heater (White) wires. Black in the harness to Gray on sensor and Purple/Orange wire in the harness to Black on the Sensor.......
Fleet Owner
Joined: Oct 2005
Posts: 20,786
Likes: 1,751
From: Kentucky
Orange= O2 Signal = Black wire on O2 sensor
Gray/Light Blue= O2 Signal Return/Ground = Gray wire on O2 sensor
Purple/Orange= O2 Heater supply Voltage = White wire on O2 sensor
Black= O2 Heater Ground = White wire on O2 sensor
Gray/Light Blue= O2 Signal Return/Ground = Gray wire on O2 sensor
Purple/Orange= O2 Heater supply Voltage = White wire on O2 sensor
Black= O2 Heater Ground = White wire on O2 sensor
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