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View Full Version : Install: GReddy gauges in Gruppe-S gauge panel



fusionchicken
02-11-2007, 03:09 PM
I don't know if this will be valuable for anyone here or not, but I documented my GReddy boost gauge installation this weekend.Â* It's mostly complete, except that it doesn't cover the mounting of the gauge itself.Â* Mine is bolted to my steering column, though.

Big thanks to earlyapex and MarkSAE for pointing me in the right direction!

Stuff you'll need:


Â* Â* Â* - philips screwdriver
Â* Â* Â* - small flathead screwdriver
Â* Â* Â* - soldering iron
Â* Â* Â* - solder
Â* Â* Â* - wire loom
Â* Â* Â* - 1/4" shrink tube
Â* Â* Â* - wire strippers
Â* Â* Â* - XActo knife for insulation stripping, and likely for firewall penetration
Â* Â* Â* - voltmeter (optional, but I recommend one)
Â* Â* Â* - small zip ties
Â* Â* Â* - butt splices + crimper (optional -- you can use solder + shrink tube)
Â* Â* Â* - (4) 20 gauge wires to extend clock lines - red (+12), black (GND), white (parking lights), and orange (ignition)
Â* Â* Â* - your GReddy gauge, of course
Â* Â* Â* - small hands
Â* Â* Â* [/list:u]

Â* Â* Â* DISCONNECT YOUR BATTERY - TERMINAL!

Â* Â* Â* Step 1: pull off climate controls dials
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2001.jpg
Â* Â* Â* should look like this after:
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2002.jpg
Â* Â* Â* Step 2: unscrew the two screws holding the climate panel down
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2003.jpg
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2004.jpg
Â* Â* Â* Step 3: carefully pull off the climate panel
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2005.jpg
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2006.jpg
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2007.jpg
Â* Â* Â* should look like this after:
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2008.jpg
Â* Â* Â* Step 4: remove stereo by unscrewing the four screws
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2009.jpg
Â* Â* Â* Step 5: unscrew the two screws holding the clock panel down
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2010.jpg
Â* Â* Â* Step 6: mount the pressure sensor under the hood
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2011.jpg
Â* Â* Â* Step 7: hook up T connector
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2012.jpg
Â* Â* Â* Step 8: route sensor wire through firewall
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2013.jpg
Â* Â* Â* Step 9: carefully remove the clock panel.Â* Start from the stereo area, and gently pry up with a screwdriver wrapped in a towel.Â* Pry from left to right, and the panel will eventually pop out.Â* I could never get the left side off completely, though.
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2014.jpg
Â* Â* Â* Step 10: remove the clock and hazard light connectors
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2015.jpg
Â* Â* Â* this is the connector you want to tap into:
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2016.jpg
Â* Â* Â* Step 11: pry off crimp connector lock:
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2017.jpg
Â* Â* Â* Step 12: using a wire stripper, nick the insulation in two spots, about 1/8" apart:
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2018.jpg
Â* Â* Â* Step 13: Bend the wire at the two nicks, and the insulation should split apart, exposing the copper wire underneath.Â* Now carefully cut through the insulation between the two breaks, and peel the insulation away.
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2019.jpg
Â* Â* Â* Step 14: using a small screwdriver, pry up the plastic retainer and pull out a wire
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2020.jpg
Â* Â* Â* Step 15: solder the extension wire to corresponding clock radio wire
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2021.jpg
Â* Â* Â* Step 16: don't forget to use strink tuebe around the wires!Â* If you have a heat gun, use it.Â* I forgot to get one so I used the upper part of my soldering iron, which is typically a big no-no.
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2022.jpg

Â* Â* Â* Repeat steps 14 - 16 for the remaining three wires

Â* Â* Â* Step 17: reconnect battery and test all of the connections with a voltmeter.Â* disconnect battery again.
Â* Â* Â* Step 18: put a zip tie below the shrink tube to prevent it from slipping (I had to because I couldn't shrink the tube enough with my soldering iron tip
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2023.jpg
Â* Â* Â* Step 19: wrap wire loom around the four extension wires.Â* Also zip tie for strain relief.
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2024.jpg
Â* Â* Â* Step 20: connect the ends of the four extension wires to your GReddy control box.Â* I used crimp connectors for now, until my PCB arrives
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2025.jpg
Â* Â* Â* Step 21: tuck the control box away behind the radio.Â* You should probably zip tie it down, but I didn't since it's coming back out in a couple of weeks anyway.
http://www.socalevo.net/gallery/albums/userpics/10991/How%20to%20Install%20GReddy%20gauges%20in%20Gruppe-S%20gauge%20panel%2026.jpg
Â* Â* Â* Step 22: reconnect battery

Â* Â* Â* That's it!Â* Put everything back in the reverse order, and you should be good to go.

Â* Â* Â* This installation was the precursor to the Gruppe-S / Craig Hardy gauge panel installation that I'll be working on soon.Â* The four extension wires will be soldered into a PCB I have coming in this week, and that panel will make connecting my other three gauges (EGT, coolant temp, oil temp, plus buzzers) really simple.Â* Here's the PCB design that is being fabricated for me:
http://www.socalevo.net/gallery/albums/userpics/10991/normal_How%20to%20Install%20GReddy%20gauges%20in%2 0Gruppe-S%20gauge%20panel%2027.jpg


from: http://www.norcalevo.net/forum/index.php/topic,7287.0.html