I have a 1996 jag xj6 i have bought 02 sensors which have four wires , the iwres on the car are red,yellow,black,grey but the wires on the new sensors are white , white, grey,black anybody know what gos to what colour thanks PS the connector did not come with sensors so having to use old ones hence the reason why i need to know which colour goes to which thanks
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Hello! There are four O2's...Each O2 heater, left and right bank, front and rear, has it's own wire colors...These colors are "at the connector"...First series are the control ground sent by the PCM.. RR=White/Black...RF=Red/White...LR=Tan/Yellow...And LF=Yellow/Light Blue...........This series are the battery leads, hot when fuel pump relay pulls...RR=Violet/White... RF=Red/Yellow...LR=Violet/White...LF=Red/Yellow...
If you have any questions feel free to ask...Guru...Saailer
Jags are definitely a pure breed. The new radio most likely has writing on the wires that tell where they are to be connected to. I take that back. I just checked the wiring of an older model JVC unit and there or not listings. If your radios doesn't have writing just remember Orange(or yellow) is illumination, and it goes to the fuse block; red is power, going to the fuse block; the big black one is the ant.; the little one is the ground to the chassis. The others are speakers. Connect them to the colors they are closely resembling in your Jag. Connect the power and turn on your radio. You can reconnect the lines to the correct speaker by checking each speaker. hope this helps.
Ok, the truck - org/grn goes to one of the sensor heater wires (wht). The truck - blk goes to the other sensor heater (wht). The truck - blk/blu goes to the sensor ground (grey) The truck - yllw/wht goes to the sensor signal wire (blk)
I have an X300 and had very high emmissions at an MOT. Diagnosed by Jaguar as the Lamda (02) sensors. Bought alternatives as Jag wanted a fortune and had them fitted by the Jaguar Main Dealer. Took it for MOT and it still had the same emmissions! MOT chap swapped the leads of the two Lambda sensors over and it was perfect! Still don't know if was the problem or the sensors were faulty.
So check if either the Lamda sensors are faulty or they are plugged in the wrong way. Try swapping the leads first as it is much cheaper!