Air/Fuel Ratio Gauge - Forums at Modded Mustangs
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post #1 of 49 Old January 9th, 2007, 11:40 PM Thread Starter
 
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Air/Fuel Ratio Gauge

I have an AutoMeter Air/Fuel Ratio gauge and I have the power hooked up to it but the purple wire that it has is from what I have been told is supposed to hook up to one of the O2 Sensor wires. I'm really not sure what color that wire is or where I can find it or if I have been mis lead on what to splice it in to. I need to find the easiest wire to hook it to, where it is located, and what color the wire is. Can anyone help me? It would be greatly appreciated.
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post #2 of 49 Old January 9th, 2007, 11:44 PM
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Easiest place is to tap into the wire at the ECU, as opposed to going underneath the car. Can't remember the color(s) offhand, I'll see if I can dig them up.
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post #3 of 49 Old January 9th, 2007, 11:54 PM Thread Starter
 
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By ECU do you mean the box right under the dash.
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post #4 of 49 Old January 10th, 2007, 02:11 AM
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i hooked mine up at the ecu. it is hidden behind the kick panel on the passenger side. #60 and #87 are for the front o2 sensors. 60 should be gray/light blue (right side) and 87 should be red/black (left side). if i remember right i think i hooked mine up on the #87 wire.



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post #5 of 49 Old January 10th, 2007, 05:07 AM
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Quote:
Originally Posted by SWEET2KSTANG
i hooked mine up at the ecu. it is hidden behind the kick panel on the passenger side. #60 and #87 are for the front o2 sensors. 60 should be gray/light blue (right side) and 87 should be red/black (left side). if i remember right i think i hooked mine up on the #87 wire.
thats what i did

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post #6 of 49 Old May 14th, 2007, 11:42 AM Thread Starter
 
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I know it has been a while since I posted this but I just now got a chance to hook my gauge up and I'm having a few problems. So I opened up the passenger side kick panel and when I looked there are 3 different plugs with wires going into them and then behind those there is a square box. Which one of these is the ECU? I found a red/black wire going into one of the plugs so I piggy backed my wire into that one and I get nothing on my gauge so I guess it can't be that one. Can anyone help?
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post #7 of 49 Old May 14th, 2007, 05:42 PM Thread Starter
 
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Anyone?
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post #8 of 49 Old May 14th, 2007, 06:01 PM
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all the wires are numbered on the harness. just look and find the wire number ecu, and then you will know which one to get.



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post #9 of 49 Old May 14th, 2007, 07:34 PM Thread Starter
 
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there are three harnesses though
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post #10 of 49 Old May 15th, 2007, 12:21 AM
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every wire should be numbered on the hareness going to the ecu. there is no nunber on there twice.



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post #11 of 49 Old May 15th, 2007, 10:52 AM Thread Starter
 
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I can't find any numbers on any of the wires that I am looking at. The only numbers that I can find are on two of the harnesses there is a big sticker wrapped around all the wires going into each of the harnesses. One says 2G R and the other says 2G L
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post #12 of 49 Old May 15th, 2007, 11:06 AM
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the numbers will be on the harness on the ecu, not on the wire itself.



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post #13 of 49 Old May 15th, 2007, 11:24 AM
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if i remember the numbers are under the clip that holds the harness to the pcm.

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post #14 of 49 Old May 15th, 2007, 11:40 AM Thread Starter
 
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oh ok i will go check that right now thanks a lot guys
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post #15 of 49 Old May 15th, 2007, 12:12 PM Thread Starter
 
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Alright I just got through hooking it up and it worked. As soon as I realized where to find the numbers it was simple. Sorry you had to go into so much detail, I really appreciate it though. Thanks a lot!
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post #16 of 49 Old May 15th, 2007, 12:16 PM
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glad you found it man

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post #17 of 49 Old May 15th, 2007, 05:01 PM
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no problem



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post #18 of 49 Old April 21st, 2009, 06:06 PM
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So you hook them up to the front O2's?

Where did you hook up the power?


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post #19 of 49 Old April 21st, 2009, 06:59 PM
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Quote:
So you hook them up to the front O2's?

Where did you hook up the power?
Dude, what the fuck.



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post #20 of 49 Old April 21st, 2009, 07:15 PM
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Well I could have started a couple new threads to get answers, but I decided to search and find what I could like everyone recommends.

If you are insinuating I am stupid for asking the questions I did, then answer them for me.

--Because according to autometer's website (<---once again a little more research) they recommend to hook it up to the ignition w/ a 5 amp fuse.

--People on here just say to the power.

So which one is what I was asking and if I do it to the ignition, which wire would it be because I haven't looked yet.


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