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Old 10-19-2001, 02:58 PM   #1
jclick
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Default Defi hood/ Greddy Gauge install?

I am about to get a Defi Gauge pod and I already have my gauges. I have Greddy 60mm gauges electonic (Boost, Oil Press, EGT). I would like to install these myself but I am a little concerned about tapping power for the gauges, like what wire goes where and how to tap all three gauges with those wire connector things that Greddy gives you.

I am pretty sure I can tap the boost gauge. I will most likely get the Oil Press and EGT done by a mechanic. However, I would like to have that gauges in place with power.

So does anyone have any pictures or pointers for installing the Defi gauge hood and tapping power for Greddy gauges. I am actually more concerend with getting power to the gauges than getting the pod installed.

Thanks

Josh
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Old 10-19-2001, 03:09 PM   #2
Rocky WRX
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I installed my Defi gauges last weekend. They use a common control box that all the gauges and sensors hook to. All the Ignition power/Battery power/ground/illumination connections go to the control box.

I spent some time researching power connections using the shop manual (section 8), and found all the wires I needed on those connectors at the top end of the underdash fuse panel. Not all the wires were available from the clock circuit, and I didn't want to take the dash apart looking for them behind the radio. If that works for you, I can look tonight and tell you which wires I used.
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Old 10-19-2001, 03:09 PM   #3
redobs
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Well, it's pretty easy if you have a voltmeter.
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Old 10-19-2001, 03:13 PM   #4
jmott
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the WRX is whacky.
setting it up so that the gauges can dim is basically impossible
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Old 10-19-2001, 03:18 PM   #5
Rocky WRX
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Ya, I didn't wire my gauge lights to dim, they stay on full bright if I turn the dash lights down. But I always run the dash lights full bright anyway.
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Old 10-19-2001, 05:15 PM   #6
Shoelace
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I recently did my greddy boost gauge and it's only got 4 wires so what these guys are saying about being able to dim it is correct. It is basically impossible to tie it into the stock illumination control. It puts a voltage on both sides of the circuit and the poor little greddy gauge can't deal with it, at least not without a bit of modification.

As for where to tap, if you are going with the Defi pod, then the best place is right off the clock harness. It's got +12v, ground, illumination and the ignition wiring. Which wire does which is marked right on the back of the clock. Piece of cake!
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Old 10-19-2001, 06:36 PM   #7
jclick
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I am using the Greddy gauges and I will be tapping off the clock but I have three gauges. Do I just tap all three gauges from the same place?

Thanks

Josh
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Old 10-19-2001, 06:40 PM   #8
jmott
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sure


Quote:
Originally posted by jclick
I am using the Greddy gauges and I will be tapping off the clock but I have three gauges. Do I just tap all three gauges from the same place?

Thanks

Josh
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Old 10-19-2001, 08:01 PM   #9
Romanikque
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Yeah you tap all three on the Clock wiring. You will end up with a whole mess of vampire clips you have to hide somewhere but its the best way to install the gauges cleanly.

-ROmanikque
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Old 10-19-2001, 08:36 PM   #10
Force[FED]
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Actually, I agree with Romanikque to an extent. You CAN use the clock harness for your power, ground, and light supply. But, you don't have to deal with a mess of vampire clips (you can do it with absolutely zero vampire taps, and no clutter to hide).

I wired the power, ground, and light wires for all of my 3 gauges together, so I had 3 single wires that actually needed to be connected. I then created little plug ends that I connected to each of these 3 wires. I plugged these connectors right into the stock clock harness, and I was done! This way I didn't touch ANY stock wiring...no taps at all. Best off all, I can just unplug these wires in like 5 seconds if need be, pull the whole gauge housing out, and plug the stock clock piece back in. All in less than a minute

I am not a fan of vampire taps (I used them plenty in cars before...never felt comfortable with them, and sometimes they just plain suxor).

Good luck!

Kevin

www.forcefed4.com
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Old 10-19-2001, 09:10 PM   #11
angus
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I hear the Greddy color match to the stock dash lights is pretty good. How's the "brightness" match? I turn my dash full bright.
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Old 10-20-2001, 02:29 PM   #12
jclick
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force[FED]

You wouldn't happen to have any pictures of this wiring job, would you? It sounds very clean.
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Old 10-20-2001, 03:57 PM   #13
Force[FED]
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No pictures, sorry. It's really not that hard...just look at the harness that the clock plugged into, then go find a connector that will plug into the ends. I think I used modified spade connectors (clipped one side, so it was a single prong to slide into the clock harness).

Kevin
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Old 10-20-2001, 11:59 PM   #14
2milehigh
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Hey, check out this pillar guage pod at [url]http://www.guagepods.com/wrx.htm

I might go with this so its less noticable ouside the car. Only $50.
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Old 10-21-2001, 06:04 AM   #15
Avedis
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Quote:
Originally posted by 2milehigh
Hey, check out this pillar guage pod at [url]http://www.guagepods.com/wrx.htm
Did you mean this link?

--jeff (dunno if I want A-pillar gauges or not, thinking maybe a HUD?)
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Old 10-21-2001, 11:04 AM   #16
Force[FED]
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The triple A-pillar setup is nice. I have used double setups before on my DSMs, never went with a triple.

My gauges really are not that noticeable in the center from outside the car. Most people don't know what that section is. And if they are looking at the right angle to actually see the gauges faces, they will just as easily see 3 60mm gauges hanging on the A-pillar (it's not as 'stealth' as you think, not even close).

BTW, $50 for a triple A-pillar pod is pretty damn good!

Kevin
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