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Old 03-25-2014, 01:29 PM   #1
04jaxwrex
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Default SOLVED! Defi Din gauges from a legacy in a WRX!

I picked up the STi gauge pack out of a legacy from my buddy a while back. They are made by defi. I have a red racer gauge in my car now but I am a little confused as to where one of the wires go for the gauge pack. Apparently in the legacy the gauges are plug and play. However he cut the pwr harness.

on the red racer i have:

Red- batt +
Orange- acc +
White- illum
Black- grd

on the STi gauge pack i have

Red-
Orange-
White-
Black-
Blue-

I am assuming that the 1st 4 are the same but the blue is what is throwing me. I have called a defi seller in the states and they dont know, I emailed a defi distributor in the UK and they have not replied in a week, i searched forums and not many people run these that I can see and there really isnt too much info that I found. Most of it is people putting them in a legacy or outback and they just plug right into their cars so no help there. I even looked at the PDF's for the regular DIN gauges on the defi site and I couldnt find anything.


Any help would be greatly appreciated!
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Last edited by 04jaxwrex; 10-16-2014 at 01:13 PM.
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Old 03-25-2014, 11:45 PM   #2
Cougar4
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I suggest you hook up the four wires as usual and then see what happens. You may not need to be concerned with the extra wire.
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Old 03-26-2014, 03:11 PM   #3
04jaxwrex
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I hooked up the 4 known wires and the gauges worked but the lighting didnt. I figured out that the gauges only light up when the headlights are on so the blue is for that. I figured out how to wire them up to light up with the headlight switch on and without it on. YAY
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Old 03-27-2014, 09:14 PM   #4
04jaxwrex
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my victory was short lived. idk why but the boost and press gauge dont work. the boost sensor was pulled off my working red racer gauge so i know its good and the press gauge i got from my friend worked before he pulled it. the gauges sweep fine and light up but sit a 0 the entire time. The temp gauge works perfect!


any thoughts?
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Old 03-27-2014, 11:55 PM   #5
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Different gauges could use different sensors, Try to get the sensor from the legacy, or figure out which one came with the gauges and buy it.
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Old 03-28-2014, 12:04 AM   #6
04jaxwrex
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All my sensors are defi and so are the wires.
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Old 03-29-2014, 11:15 AM   #7
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If the wiring to the sensors is okay and isn't open or shorted somewhere then it seems the gauges may be bad or the sensors aren't the correct match for the gauges. You could check the resistance of the sensors with the wires removed from the gauges and while things should be changing to see if the sensors are responding to the changes.
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Old 03-30-2014, 11:22 PM   #8
04jaxwrex
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Fixed it

The wires on the plugs for the boost and pressure sensors are different front the red racer gauges to the din gauges....or leave it to subaru to have defi switch them for the subaru specific gauges.

either way...i figured it out!
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Old 09-25-2014, 07:24 PM   #9
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So, I think you posted the same question on LegacyGT.com...but where did you end up running the blue wire? Is it another ground?
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Old 09-25-2014, 09:40 PM   #10
04jaxwrex
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Don't judge the crappy paint pic I just made to help explain this!



Pretty much what I did a while back when I had a red racer installed in my vent and still wanted my clock to be functional was I cut the harness for the clock. I then soldered some wires onto each of the 4 wires from the harness and clock wires and put male and female connectors on each of them (males on the harness side and female on the clock side so if I wanted to completely remove the gauge the clock would be 100% hooked up). For the red (hot) wires I made it so they were opposite the rest so there was no accidentally hooking a ground to a hot. That worked great b/c the gauge had 4 wires and the harness from the car had 4.

But when it came to the LGT STi gauge pack, the blue was throwing me off. All the documentation I could find just said it was a plug and play unit for the LGT, not what each wire was. So I asked my friend how they lit up and he said they only came on when you turn the lights on. So I then figured out that the blue wire was for that (light switch). All I did was connected the blue to ground making it so I have 2 wires connected to ground. It works perfectly.

Another issue that I ran across was the pressure sensors wouldn't work. The temp sensor wire that plugs into the back of the gauge is 2 wires and it worked fine. However the boost and oil press are 3. I was using Defi sensors so I thought that they would work. I just unhooked my boost wire from my red racer (b/c I didn't want to rerun the entire boost sensor again that was provided to me with the pack) and put it right into the back of the pack and it didn't work. I was pissed for a few days but I got the idea to see how the wires were actually pinned into the connector...and sure as shizzy they were swapped around. I repinned it and it worked. I followed suite with the oil press and it too worked. The only thing I can think of as to why its like that is Defi made that gauge pack for Subaru and I think Subaru (in order to make money on a bad sensor) told Defi to switch the wires up so someone cant just use an OTS Defi sensor if one from the pack goes bad...Subaru has to supply it.
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Old 09-26-2014, 01:30 AM   #11
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Quote:
Originally Posted by 04jaxwrex View Post
Don't judge the crappy paint pic I just made to help explain this!



Pretty much what I did a while back when I had a red racer installed in my vent and still wanted my clock to be functional was I cut the harness for the clock. I then soldered some wires onto each of the 4 wires from the harness and clock wires and put male and female connectors on each of them (males on the harness side and female on the clock side so if I wanted to completely remove the gauge the clock would be 100% hooked up). For the red (hot) wires I made it so they were opposite the rest so there was no accidentally hooking a ground to a hot. That worked great b/c the gauge had 4 wires and the harness from the car had 4.

But when it came to the LGT STi gauge pack, the blue was throwing me off. All the documentation I could find just said it was a plug and play unit for the LGT, not what each wire was. So I asked my friend how they lit up and he said they only came on when you turn the lights on. So I then figured out that the blue wire was for that (light switch). All I did was connected the blue to ground making it so I have 2 wires connected to ground. It works perfectly.

Another issue that I ran across was the pressure sensors wouldn't work. The temp sensor wire that plugs into the back of the gauge is 2 wires and it worked fine. However the boost and oil press are 3. I was using Defi sensors so I thought that they would work. I just unhooked my boost wire from my red racer (b/c I didn't want to rerun the entire boost sensor again that was provided to me with the pack) and put it right into the back of the pack and it didn't work. I was pissed for a few days but I got the idea to see how the wires were actually pinned into the connector...and sure as shizzy they were swapped around. I repinned it and it worked. I followed suite with the oil press and it too worked. The only thing I can think of as to why its like that is Defi made that gauge pack for Subaru and I think Subaru (in order to make money on a bad sensor) told Defi to switch the wires up so someone cant just use an OTS Defi sensor if one from the pack goes bad...Subaru has to supply it.
OK, that helps, thanks. Do your gauges dim with the rest of the dashboard lights? If not, I think the blue wire might actually go to the dimmable ground wire.

I'm in the same boat with the sensors - I just bought Defi Advance senders, so the colour order on the pressure sensor is red, white, black from left to right - do you remember which wires you had to switch?
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Old 09-26-2014, 11:48 AM   #12
04jaxwrex
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this was how both the pressure sensor connectors were wired...


...and this is how they are now!


as far as the gauges dimming, none of my dash dims. It was like that when I got it. I think it may be the 05STi cluster I have...even though i have an 05STi gauge cluster harness. So no they don't dim but they arent that bright anyways!

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Old 09-26-2014, 12:24 PM   #13
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Quote:
Originally Posted by 04jaxwrex View Post
this was how both the pressure sensor connectors were wired...


...and this is how they are now!


as far as the gauges dimming, none of my dash dims. It was like that when I got it. I think it may be the 05STi cluster I have...even though i have an 05STi gauge cluster harness. So no they don't dim but they arent that bright anyways!

Great, thanks! Was the boost gauge wired the same way?
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Old 09-26-2014, 12:54 PM   #14
04jaxwrex
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both pressure sensor connectors from defi were wired like the first pic and i repinned them like the 2nd for the gauge pack. they work perfect!
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Old 09-26-2014, 01:42 PM   #15
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Awesome - how did you figure that out? Trial and error, or was there a wiring diagram somewhere?
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Old 10-02-2014, 01:49 AM   #16
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These are the same as the defi din gauges (I have one in my car) The din gauges actually have the wiring for the boost on the back as I'm sure they are all made the same in the factory. There is a wiring diagram online for the DIN gauges as well as the factory installation manual for installing these into the legacys.
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Old 10-02-2014, 04:17 AM   #17
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Quote:
Originally Posted by ixelerate View Post
These are the same as the defi din gauges (I have one in my car) The din gauges actually have the wiring for the boost on the back as I'm sure they are all made the same in the factory. There is a wiring diagram online for the DIN gauges as well as the factory installation manual for installing these into the legacys.
Yeah, I've seen both - but neither of the wiring diagrams I've seen have actually shown the pinouts or wire colors for any of the connectors - and from what: 04jax is saying, the wiring order is different from the Defi Advance series at least...not sure if it's different from the Defi DIN gauges, though.
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Old 10-02-2014, 09:56 PM   #18
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I believe they should be the same as they are both from the DIN line up. Mazda also has a "Mazdaspeed" version. The difference between your power harness and mine is that your power harness is a jumper harness from the factory legacy radio and mine is just like your red racer gauge. As for illumination, the DIN gauge only illuminates at night, not during the day (unless you wire the illumination into the 12v ignition wire). It does not dim. Mine at night is an exact match for the factory brightness.
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Old 10-14-2014, 02:58 PM   #19
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anyone willing to sell one? i have cash in hand message me
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Old 10-15-2014, 09:49 PM   #20
banman
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Alright, I finally got around to installing these, and I can confirm:
1) 04jax's rewiring of the connectors is correct.
2) The blue wire does indeed go to the dimmable ground (and they dim like they should!)
3) Defi Advance series sensors and connectors work perfectly with the unit (once you've repinned them as above).
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Old 10-16-2014, 01:07 PM   #21
04jaxwrex
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Glad people are able to use what I learned to help them out.

The din gauges that defi sells on their site dont have the boost but have the connector for it in the back. Im pretty sure the STi gauge pack is the only one that has it. I think the reason why the sensors are wired a little differently is bc its an OEM option and subaru prob didnt want you to just be able and go buy a replacement sensor if one went out...they want you to come to them so you can buy a marked up one.
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Old 10-16-2014, 01:12 PM   #22
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As an aside, Defi's website says that they stopped production of the old DIN series (DF056) last year and have now started a new series - but I can't find any info on the new series.
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Old 10-16-2014, 07:26 PM   #23
04jaxwrex
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Not sure. Kinda stopped looking when i scored mine but i will look into them. I think i may convert my STi cluster to white with red needles and displays. To be different!
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Old 10-23-2014, 06:55 PM   #24
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Defi stopped production last yea of the old DIN LDH gauges. They have a new series, but so far it is only for the RHD cars.
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