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Old 03-29-2011, 04:49 PM   #1
Joey
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Join Date: Mar 2011
Location: Liberty Twp, OH
Posts: 225
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Default D1 O2 Sensor Wiring

Not sure where I found this:

Berfore I get flamed for mentioning Universals.......they were free and I have nothing to lose. They appear to be the same size as the Bosch direct fit though (13927 I think).

I know the Bosch wiring is:

White = heater (+ or - doesn't matter as there is no polarity)
White = (same as above)
Grey = Ground
Black = Signal

but the LR ones are different colors.
I think according to the Elec Manual that it's:

OG = heater (+)
YB = heater (-)
WG = Signal
WO = ground

Does anybody out there know if this is correct? It looks like it from the manual and pinout (see attached) but if somebody knows for sure, I would appreciate it.





GEMS 02 sensor wire colors:

red-12v heater
yelo-gnd
wht-gnd heater
blk-signal

note that these are the sensor wire colors, wire harness wire colors are different (looks like that's what you're listing above)
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http://www.customroveraccessories.com Home of the New D2 horn buttons!

http://www.usarovers.com/ (call for Rover parts ask for Nathan 502-222-5859)

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm

EAS fault http://www.rswsolutions.com

When working with GEMS vehicles. Never try to locate a misfire by pulling plug leads off - pull the injector connector instead. Otherwise you can blow up the ECU.

Secondly never swap ECUs between vehicles to test them, because both vehicles and ECUs may stop working, and you'll have to have them all reset by a franchised LR dealer (ouch!).
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