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Old 11-02-2008, 01:34 AM   #1
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Installed my JAW in my car... Just Another Wideband

Hey all,

So, I am cheap. Many of you already know this. The time came for me to finally buy a wideband. The cheapest I could find was the LC-1/DB gauge combo at CFM for $260 with free shipping. Still too much for me. Besides that, I don't like the round gauge, I wanted a square LED screen.

So, i searched google. And found out about JAW.

http://www.14point7.com/Widebands/JAW_1_03/JAW_1_03.htm

The 1.04 version just came out right after I ordered. But, this one is still good.

Here's what you need, I got some extra stuff so I could make it removable:

JAW and display
Solder iron and small gage solder (really small)
Wideband extension harness from VEMS, get it with the wires: http://shop.vems.hu/catalog/product_...7e0445e36dde9b
PS/2 extension wire (optional): http://shop.vems.hu/catalog/product_...7e0445e36dde9b
9-pin mini-DIN for xcal2 datalog (optional)
phono plug with 2 conductors (optional) (for connecting xcal2 to project box)
Radioshack Project Box
Bosch LSU4.2 wideband o2 sensor. I got 17014 at oreilly's for $52+tax.
small 12V fan
small ring terminal for ground
USB->serial converter and driver (like ebay item 230295498211)

I've spent $161. And I have a working wideband that outputs a 0-5V signal that I can program to achieve optimal resolution.

on with the pics!

sensor:


extension harness (loom not included):


9-pin mini-DIN:


PS/2 extension cable:


phono plug and ring terminal:


Assembly pics:

















finally got it hooked up in my car.... took about 6 hours start to finish. Still need a project box for a clean install.



it works!





So, there is another option for wbo2 that i've never seen on the Focus forums hope someone else likes my work and gets it lol


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Last edited by illinipo; 11-03-2008 at 04:37 PM.
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Old 11-02-2008, 01:51 AM   #2
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Awesome find & great job on assembly! So there is no casing to hide the boards?
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Old 11-02-2008, 09:48 AM   #3
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No that is why I'm going to buy a radioshack project case. The $161 includes that cost (about $4).
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Last edited by illinipo; 11-03-2008 at 04:37 PM.
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Old 11-02-2008, 10:04 AM   #4
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OOOoooo now I get it......

When you were talking about it I was having a hard time picturing it. Nice work and thats REALLY BRIGHT!
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Old 11-02-2008, 02:02 PM   #5
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its not so bad in the car.

and if I want to I can put a potentiometer in place of the 2.2kOhm resistor on the display board to change the brightness.
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Old 11-02-2008, 02:21 PM   #6
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Man I am just starting to learn about electrical systems in school.... Its hard.... Looks like you have quite the handle on it though. Looks great man!
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Old 11-02-2008, 05:26 PM   #7
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Way to much electical stuff for me but thats awesome you did it yourself
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Old 11-02-2008, 05:37 PM   #8
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There is no math involved everything is plug and play it all came with the kit. All I did was solder stuff to the board, and extend wires using solder and electrical tape.

and thanks
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Old 11-02-2008, 07:59 PM   #9
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Very nice find and good work doing the assembly.
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Old 11-02-2008, 09:19 PM   #10
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Nice work!
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