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My-chilled, MACH boost
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To the signal out wire on the o2.
 

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be careful if u have a heated o2 sensor that you make sure you hook it up to the proper wire other wise you can do damage to the ecu and to your guage
 

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StepIntoTheDark.com!!!
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Discussion Starter #5
truckracer666 said:
be careful if u have a heated o2 sensor that you make sure you hook it up to the proper wire other wise you can do damage to the ecu and to your guage
Well, would you happen to know which color it is??
 

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My-chilled, MACH boost
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heater wires =brown
signal wires = purple - tan:D
 

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StepIntoTheDark.com!!!
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Discussion Starter #10
deton8r said:
Casper's Electronics sells the flat style A/F gauge pigtails for $18. You just plug it in between the front O2 sensor and the factory harness. Really plug and play installation.

The part number is 109047 - Air/Fuel Pigtail Tap GM FLAT 4 Cavity Connector



OH WOW.. that'd be easiest..
 

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MachPerf97Jimmy said:


Or you can use a wire splice from any home depot, or hardware store for like $0.10. That would be the most cost efficient way!
Haha... exactly. Just find out what wire it is and splice it in.
 

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TURBOS SUCK
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I have the same gage and I just used a splice to hook it up.
I spliced into the purple wire on the O2 sensor.
PEACE>Tony:thumbup:
 

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So does that hook up under the hood? You don't have to crawl under your car to hook it up to the O2 sensor do you? Sorry for sounding ignorant but after reading this post I just migth do it too. Thanks guys
 

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My-chilled, MACH boost
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LowandBlazed said:
So does that hook up under the hood? You don't have to crawl under your car to hook it up to the O2 sensor do you? Sorry for sounding ignorant but after reading this post I just migth do it too. Thanks guys
Sure , at the comp.
 

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StepIntoTheDark.com!!!
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Discussion Starter #16
MachPerf97Jimmy said:


Or you can use a wire splice from any home depot, or hardware store for like $0.10. That would be the most cost efficient way!
I am not too terribly concerned about a little extra money here and there, I went ahead and got the pigtail.
 

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TURBOS SUCK
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A/F gage connection

The wire that connects to the O2 sensor goes directly to the gage
itself.Your instructions should indicate one wire for ground,one
wire for the power source, and the last wire is for the O2 sensor.
At least thats the way mine is.PEACE>Tony:idea:
 

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StepIntoTheDark.com!!!
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Discussion Starter #18
Re: A/F gage connection

sy-clone said:
The wire that connects to the O2 sensor goes directly to the gage
itself.Your instructions should indicate one wire for ground,one
wire for the power source, and the last wire is for the O2 sensor.
At least thats the way mine is.PEACE>Tony:idea:
Oh ya that's the way mine are too, one switched power, one ground and the then O2 sensor...
 
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