Which wire is which? - Suzuki GSX-R Motorcycle Forums Gixxer.com

 
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post #1 of 13 (permalink) Old 12-11-2013, 01:10 AM Thread Starter
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Which wire is which?

Ok so for my gauge setup i have most of the wires down pact, but i am kinda currious about a few.

Here is my table of connections:

Use------------------Wire harness---------Gauge

Ground---------------Black/White-----------Black
Oil light---------------Grey/Yellow-----------Grey
High beam-----------Black/Yellow-----------Yellow
Neutral light----------Blue/Black-------------White
Left blinker-----------Black-------------------Orange
Right blinker----------Light green------------Blue
Fuel light-------------Black/Light green-----Green
Power----------------Direct to battery-------Red
Ignition---------------Dark green------------Brown
Check/EOBD----------Frick if i know---------Purple

Now the one wire i am not sure about is the check engine light. I know it is supposed to connect to the EOBD wire (purple on the gauges that i am getting) but i am not sure which wire is which. I dont see a wire specifically for the check on the diagram. Which is the proper wire. I just want to have everything ready to go so all i have to do is wire and go.

Thanks!!

If you are not riding like its stolen, your no fun.

Last edited by Anarchist Union; 12-11-2013 at 01:16 AM.
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post #2 of 13 (permalink) Old 12-11-2013, 12:32 PM
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Re: Which wire is which?

Assuming this is for the bike noted in your info? 99 750?
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post #3 of 13 (permalink) Old 12-11-2013, 12:59 PM
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Re: Which wire is which?

The closest thing to a "check engine light" I can think of might be the "Oil Light"?

Green/Yellow runs to the oil pressure switch.

It would be helpfull if you put up a hi def diagram for your bike, the one in the manual is blurry as shit.

I found these, thay might help.

Wiring diagram
http://www.sportbikes.net/forums/att...2000wiring.jpg

CLock Pinout
http://www.sportbikes.net/forums/att...-2000meter.jpg
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post #4 of 13 (permalink) Old 12-11-2013, 01:14 PM Thread Starter
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Re: Which wire is which?

Quote:
Originally Posted by stoker283 View Post
The closest thing to a "check engine light" I can think of might be the "Oil Light"?

Green/Yellow runs to the oil pressure switch.

It would be helpfull if you put up a hi def diagram for your bike, the one in the manual is blurry as shit.
You would be correct it is my 99 750. And i dont have a high res, the only diagrams i have found are for the carbie version and the one that came in the service manual....
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post #5 of 13 (permalink) Old 12-11-2013, 01:26 PM
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Re: Which wire is which?

Quote:
Originally Posted by stoker283 View Post
The closest thing to a "check engine light" I can think of might be the "Oil Light"?

Green/Yellow runs to the oil pressure switch.

It would be helpfull if you put up a hi def diagram for your bike, the one in the manual is blurry as shit.

I found these, thay might help.

Wiring diagram
http://www.sportbikes.net/forums/att...2000wiring.jpg

CLock Pinout
http://www.sportbikes.net/forums/att...-2000meter.jpg
I found these links with a better quality diagram
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post #6 of 13 (permalink) Old 12-11-2013, 01:26 PM
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Re: Which wire is which?

Do you mean the FI (fault indicator) feed from the ecu??

The clock you have have no provision for a temp sensor?
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post #7 of 13 (permalink) Old 12-11-2013, 01:49 PM Thread Starter
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Re: Which wire is which?

Quote:
Originally Posted by scooby601 View Post
Do you mean the FI (fault indicator) feed from the ecu??

The clock you have have no provision for a temp sensor?
The temp sensor is a dedicated sensor that comes from the gauges. It doesnt use the stock temp sensor.

And yes i am refering to the FI system.

Edit: looking at the diagram there is no dedicated fault inicator wire, so my guess is just leave it blank?? Which wire does FI run off of? I thought it would be a dedicated wire from the ECU?

Last edited by Anarchist Union; 12-11-2013 at 01:55 PM.
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post #8 of 13 (permalink) Old 12-11-2013, 02:29 PM
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Re: Which wire is which?

Its the B/G wire (IIRC, can check tomorrow when I go to the workshop)that feeds the LCD display from the ECU.

On my bike I've got a race tacho with separate temp gauge so i've left the stock connector with this wire + the 2 neutrals connected so I can get fault codes and set the TPS when needed. I doubt your new clock will be able to do that so I'd think of something similar.............
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post #9 of 13 (permalink) Old 12-11-2013, 02:52 PM Thread Starter
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Re: Which wire is which?

Quote:
Originally Posted by scooby601 View Post
Its the B/G wire (IIRC, can check tomorrow when I go to the workshop)that feeds the LCD display from the ECU.

On my bike I've got a race tacho with separate temp gauge so i've left the stock connector with this wire + the 2 neutrals connected so I can get fault codes and set the TPS when needed. I doubt your new clock will be able to do that so I'd think of something similar.............
Which wires did you leave stock? My new gauges have a EOBD (European OnBoard Diagnostics, which is the european equivalent of FI system) and it would stand to reason that the check engine/FI system should plug into it and function along with TPS. If i remember correctly they work on the same wire.
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post #10 of 13 (permalink) Old 12-11-2013, 03:05 PM
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Re: Which wire is which?

The LCD on the stock gauges need the feed from the ecu (B/G) and the 2 neutrals (Pins 2+8). Thats all I have connected to the stock plug, the rest is either removed or wired into the other gauges.

Your correct it all comes down the same wire, I'm not familiar with EOBD so your probably best saying if it will work or not???
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post #11 of 13 (permalink) Old 12-11-2013, 04:42 PM Thread Starter
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Re: Which wire is which?

Quote:
Originally Posted by scooby601 View Post
The LCD on the stock gauges need the feed from the ecu (B/G) and the 2 neutrals (Pins 2+8). Thats all I have connected to the stock plug, the rest is either removed or wired into the other gauges.

Your correct it all comes down the same wire, I'm not familiar with EOBD so your probably best saying if it will work or not???
To my knowledge it should work. But im not 100% sure.

From how it was explained to me the EOBD system is the european version of the FI system. Europe has more stringent standards than the US does. I dont see why it wouldnt work.

Who makes your gauges???
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post #12 of 13 (permalink) Old 12-12-2013, 03:19 AM
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Re: Which wire is which?

Europe are know to make their parts work well with the Japanese.................

Worst case it doesn't work and you leave the wire somewhere accessible for if/when you need to connect it up to the stock clocks.

The temp sensor I'm really not too sure (some crazy solar powered thing) but the tacho is Elliot
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post #13 of 13 (permalink) Old 12-12-2013, 02:09 PM Thread Starter
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Re: Which wire is which?

Quote:
Originally Posted by scooby601 View Post
Europe are know to make their parts work well with the Japanese.................

Worst case it doesn't work and you leave the wire somewhere accessible for if/when you need to connect it up to the stock clocks.

The temp sensor I'm really not too sure (some crazy solar powered thing) but the tacho is Elliot
True. If it doesnt work, i can just keep the oem clocks and plug in the FI wire to get the codes.
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