Question about 2000 Pontiac Grand Am GT

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Having trouble figuring out which color wire goes to which color wire , hooking up the rear 02 sensor

Wires from the engine do not match the ones going to the 02 sensor at all

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  • sbmartin9 Aug 02, 2008

    Thank you very much for your knowledge and insight to this problem , it really did lead me into the right direction

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  • 17 Answers

Yeah..the O2 sesor is made by DELPHI. Call the GM parts counter guy at your local dealership ....they want to sell parts and usually cough up the answers you need so you buy the part from the dealer...then just go to advance or NAPA and get what you need for 1.3rd the price...I am not trying to be dishonest, just looking out for your wallet.

Posted on Aug 01, 2008

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1 Answer

What wire from the engine harness grey or brown goes to the blue signal wire on the 02 sensor


posted now 3 times.
no engine stated (of the 3)
no symptoms stated. or job.
front or rear , oBD2 sensor not stated.
on your other post, i answred for all 3 engine
front 02 sensor B1S1.
all 3 engines, the ECU schematics on the 02 pins.

go back and read. your other posts.

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Igot universal lambda sensor for suzuki liana whant to change the plug from my old one but colores are different


that is correct, all 02 makers use there OWN colors
there is NO STANDARD there, or for the car harness, either.
to cut a fat hog and not buy PNP sensors
you agreed, (by default) TO HAVE a FSM schematic
and the new sensors colors, sheet.
wow no year or engine stated, so, near impossible.

ill assume (stupidly) its a 4 wire sensor.
car CELL + to sensor CELL+
car CELL - to sensor CELL -
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car heater to any sensor heater wire, other one.
colors dont matter only above does.

but yes, you must match them correctly or risk blowing out a nice
$1000 ECU.


tell full car spec, to me, year and engine size
then tell make and p/n of sensor and ill send you the wiring.,
done 100s.

see this guy guy here hand wiring the Universal to a suzuki G16B
http://www.fixkick.com/sensors/OxyGen_sensor_help.html#oxy-parts

if a BOSCH , IS IT?
do not mix the black and gray wires. do not.

as you can see, suzuki changes the CELL+ wire
like my wife changes drapes.

post the car data and i can help.

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Cuts out while driving


which engine,? in the 02 GC? WJ model.
p0138
138s are like so common its like bread and butter, 1million posts world wide, here goes.
its the OXy sensor.
bank 1, sensor 2 , is reading too high.
my guess, (cant see) is the sensor is bad, or the wires are shorted.
or wires cut. 02 sensor can have bad service and the wires put back wrong and then hit the 2000F hot exhaust, pipe there, and get destroyed. so looking is fire.
B1S1 is (no engine stated)

this 138 can set if the inside of the 02 heater melts and then shorts to the CELL pin (OXY output) causing illegal output there.
or the wires are shorted there.

inline 6 , this is the rear sensor
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1 Answer

Bosch 02 sensor downstream on a 1996 Jeep grand cherokee 4.0 motor. I have no wire harness to match the colors to. bosch has two white, one grey and one black. Jeep has orange/green,black/brown,black/blue...


The two white are the heater
The black the ground
The gray the O2 Sensor output,
you back probe to check Voltage
& Switching Times

The vehicle wiring harness does not have to match
the sensor, BUT -- you need to have the same
connector on the sensor

If you have a universal cut & splice, you have junk,
and we given the wrong part

Get a Bosch or NGK, OEM sensor & just
plug it in

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I have the 4.2 V8. A tech has supplied me with the DTC P1646 code, bank1 sensor1 oxygen sensor failure. My question is two part; first where is the sensor located on my car and two which sensor shoud I...


Look at both cylinder heads, the one closes to the front of the engine is bank one, the sensor will be the one that sits on the exhaust manifold or right after it. If you can find an 02 sensor made by Bosch good brand, just one thing if it's generic you will have to put the wire' into the plug for the 02 sensor and some times the wires are not the same color to match with the harness, some time going OEM is the best way,Good luck

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02 Chevy Blazer Audio Wiring Diagram


they are your speeker wires. the best the to do is to hook up the colors that are the same color to the color wires on the back of the radio. dont hook them all up at once two colors at a time.by doing this it will let you know what speaker you have hooked up.

Apr 24, 2009 | 2000 Chevrolet Blazer

1 Answer

Cant figure out the wires to hook up stereo


does this model have the built in amp? brownred may be the clock. do you know what each of the wires on the stereo controls? if you know this i can help you.

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2 Answers

1998 dodge ram 1500 4x4 stereo wiring


glad you posted what colors you do have , cause 2 resources didn't match ,actually 3 , i did find a match to your colors was a 97 year model premium radio, so we have a match .....

black/ light green = ground
dark green = left front spkr +
purple = right front spkr +
blue/white = right rear spkr -
brown/blue = left rear spkr -
brown/yellow = left rear spkr +
blue/orange = right rear spkr +
black/yellow = park lamps
brown/red = left front spkr -
orange = dimmer signal
pink = fused battery +
green/red = radio choke relay
red/white = fused ignition
blue/red = right front spkr -

cheers

djmac62 is also an excellent answer

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