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Old 09-19-2010, 07:19 PM   #1
QuestSHP
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Default HVAC Swap and Heated Seats-06 WRX TR

Hi all, new guy with new guy questions. Ive spent a few hours browsing and have seen only bits a pieces of what Im looking for and hopefully someone can fill me in in a few sentences.

2006 WRX TR, Im wondering how complex the job of switching from the standard HVAC controls of the TR to the ones found in the WRX/Limited is. It not a real big deal either way, I just like the look of the STI Limited center console section but it only fits with the more advanced HVAC.

Second, since Im in MN I would really LOVE to have heated seats. Is it possible for me to piece the parts and do a direct install or will I have to splice harnesses and such. My console has the space for the switches plugged so that will be east. Im not scared of the upholstery part either, Im just a little unsure of cutting the factory harnesses. Im hoping its something that more or less plug and play. Things dont usually work this easy for me so I would be a bit suprised

Thanks for the help.
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Old 09-20-2010, 02:23 AM   #2
FourOnTheFloor65
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To do the HVAC swap you need to purchase the entire heater box, the controls, and a handful of sensors. Then comes the wiring. You need to find a WRX limited complete dash harness and swap the whole thing, or you could find someone to cut up a harness so you can get the plugs and then rewire all the HVAC wiring. Either option is going to be very time consuming, and if you have trouble reading the wiring diagrams, just forget about it and deal with your manual controls.

As for the heated seats, I don't know if your car is wired for it already or not. Even if it is you are going to need to find a set of random Subaru seats to replace yours with or steal the heater pads out of. Then buy the switches and what not. I'm sure someone has done this, since it is not nearly as hard as the HVAC, even if you did have to wire it up yourself. I would search in the Interior/Exterior forum.
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Old 09-20-2010, 01:19 PM   #3
QuestSHP
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thanks so much. it looks like i will not be switching the hvacs
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Old 09-20-2010, 03:26 PM   #4
Kupkake
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Quote:
Originally Posted by QuestSHP View Post
thanks so much. it looks like i will not be switching the hvacs
Same conclusion I came too. haha.
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Old 09-20-2010, 10:47 PM   #5
Big-E
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Half of the electrical is in place for the heated seats.

You can install the relay and fuse and the main feed wire goes from the relay-block over to behind the passenger's side front kick-panel where it terminates at the connector. The other side out of the connector to under the seats does not exist.

You can however run a wire from the connector to under the seats and up under the center-console. From there you would have to wire in a split to both switches and then from the switches to both seats. You would need to source the correct sized self-locking terminal to insert into the connector.

If you are good at wiring, you can do so with 14-gauge wire, terminals, solder, shink-wrap tubing, electrical tape and wire-loom and effectively fabricate your own harness.
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Old 09-21-2010, 03:27 AM   #6
QuestSHP
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thanks everyone,

im honestly pretty bad at wiring. sorry to sound lame here but if i had a step by step pictorial i could certainly handle the fabrication/hands on part, im just very inept with electricity.

whats the chances these harnesses exist at subaru? i guess even if its more money id rather do it like it came that way. safety first!
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Old 09-21-2010, 11:13 AM   #7
Big-E
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Quote:
Originally Posted by QuestSHP View Post
thanks everyone,

im honestly pretty bad at wiring. sorry to sound lame here but if i had a step by step pictorial i could certainly handle the fabrication/hands on part, im just very inept with electricity.

whats the chances these harnesses exist at subaru? i guess even if its more money id rather do it like it came that way. safety first!
You will more-than-likely need a complete harness. Meaning, the heated seats portion is not sold separately. IIRC, this would be from the kick-panel, to under the seats and also down to the rear of the vehicle.
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Old 09-21-2010, 01:58 PM   #8
QuestSHP
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thanks Big-E
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Old 09-21-2010, 03:58 PM   #9
ProdriveDreams
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Just buy an aftermarket kit on ebay. I bought a kit with two carbon filament heating pads 11"x18" and harness' and two switches and installed it all myself. Shipped from china it cost me 100 bucks on ebay. I am VERY happy with the results. It wasn't even terribly difficult to install. The trickiest part was sourcing power from the relay block under the dash so that It would have an OEM fuse rather then wire in all new wiring. And that took me like 20 minutes of fiddling to sort out correctly because I couldnt get a subaru relay on short notice.
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Old 09-22-2010, 03:18 AM   #10
QuestSHP
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thats what im thinking. is it possible to still use the factory switches?
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Old 09-22-2010, 05:22 PM   #11
simonbsays
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Yes:
http://forums.nasioc.com/forums/show....php?t=1165822

As for whether or not you can use factory switches, also yes:
http://forums.nasioc.com/forums/show...0&postcount=45

This was one of the best mods i've ever done. Front seats aren't too difficult, but it is a pretty serious job as much of the interior has to come out.
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Old 09-23-2010, 03:05 AM   #12
QuestSHP
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thanks a million simon... thats exactly what i needed.
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Old 09-24-2010, 12:28 AM   #13
requience139
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I started looking into swapping my hvac and found out how much of a PITA it was gonna be. I wouldn't mind installing those seat warmers when I get back to Washington. I live in San Diego for now so I have "all time seat heaters"
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Old 08-13-2011, 02:24 AM   #14
Beck007
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So I have the ones from the 2007 WRX TR that look more like http://media.photobucket.com/image/hvac%20controls%20wrx%2006%2007/skaterguy2345/hvac2-1.jpgAnd I want the one that looks more like http://farm5.static.flickr.com/4037/...b322480871.jpg
to be inside. Sorry to ask the stupid question, but do I need several different sets of wires and a bit of work, or if it is from the same year is it plug and play? I really want to get this installed but if it required a bit of electrical work I'll definitely need to find someone in WA who knows what they are doing
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