after reading azian's post a few years ago I've wanted to install heated seats. I know others have done it but I never liked the aftermarket switch they came with and wanted to do things just a little different than everyone else had done and I wanted mine to be more OEM. I kept putting it off and finally my incredible woman was nice enough to get me a set of the OEM switches as an early Christmas present so I bought the seat heaters and decided to stop talking about it and do it.

first start with these


^^ same as the overseas celica switches and available in the US (from a Sienna)

get the connectors - important ! they are left and right specific !



panel from a vert



another pic (from the back)



and then the fun stuff. I got my hands on a Sienna EWD and my multimeter here's what the pins do



1 = illumination +
2 = HI setting
3 = LO setting
4 = POWER
5 = illumination -
6 = GROUND

I happen to have a few old interior harnesses to de-pin this is why I keep so much junk



then I pinned the new connectors





put together shot



and now add these


^^ seat heaters from ebay



and a shot of the ebay seat heater switch and what do the wires do ? break out the multimeter and BAM, here's what they do.

RED = power
BLACK = ground
WHITE = Hi setting
GREEN = Lo setting

and some part #s

switches


connectors


panel


I cut off the ebay heater switches, connected the wires to the OEM switches, wired the illumination wires to the lighter ring, and put the heaters in the seats. I re-checked everything and plugged everything in and BAM, heated seats with OEM switches.

quick phone pic of the switches (I put my alarm LED in the blank spot)



they work perfect.
The switches illuminate with the lights and HI and LO light up when they're pressed. The seats heat up well and this is gonna make me happy on those cold mornings.

I'll take and post up more pics tonight.

that's awesome dustin, mad props.

I'm jealous.

VERY nice write up man!!! I'm planning on these when we recover the seats, and this is just a beautifully seamless installation. Nicely done.

very nice!

so is there a way to get cooling seats too?

heated + cooling seats along with auto climate control on our USDM 6th gens would b damn gd!

Nice! I've got a question about heated seats. I've got cloth seats in my car, (I know some of you are already like uh oh...) and I would love to swap them out for leather but I don't have the money for that. I wouldn't think it would be a good idea to put seat heaters in a cloth seat but one of my friend's parents has them from the factory in a Saturn Vue. I know, Saturn... Gay. But they put seat heaters in cloth seats. So is that even doable? I'd like to have heated seats but I'm not brave enough without confirmation from somebody OTHER than Saturn.

why did i somehow knew about this?

mad props, i have a lot of pigtails for stuff im supposed to do but never do, everytime i go to the junkyard i get some.

but over here in georgia havving heated seats is like having 2 windshields. The second one dont do no good.

sweet...i need the part numbers for that...thanks bro...i'll be doing this mod as well..just havent had the time yet...its pretty sweet

Clean instal as always
That is exactly what i have planned for my car(or it was untill i found out i have to replace my clutch, no everything is on hold, ugh) only i want to add a bass knob right next to the switches


This post has been edited by Legit94GT: Dec 2, 2008 - 7:02 PM

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My girlfriend has a Jetta with heated cloth seats - I absolutely don't think you need to have leather to install these. They shouldn't ever get hot enough to be a hazard. I'll keep you updated on that one though, as I also plan to do this same mod! But I was just gonna hit a junk yard to find some switches that didn't look quite so "Made in China" as the eBay switches do.

Really nice job! Too bad it never gets cold enough here to use those things. I can usually go a whole winter with just wearing a hooded sweatshirt for warmth.

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Sweet! Now that I have had someone else say it, I might spring for them this Christmas! I'll let you guys know

I've been drinkin, camera in the car, better pics tomorrow.

Are those switches bigger than those switch covers on the panel under the steering wheel? Im wondering if one would fit there.

hmm this is pretty different to the usual mod, good work

I count down the seconds till this is added to the stickies

great job D!!

nice.. now i wanna see pics of the actual install
just wondering how many watts do your seat heater elements run?

mmmm.... might just replace my center console and pick up some oem switches for mine...

looks great

Nice man!

Can i ask how much u paid totally?

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X2^^^^

Ive always thought about that, it would be pretty sweet to put the switch there, but then what about the passenger one? It would be kinda odd to just have the passenger one all by itsself

Switches
84751-20130 $22.70
84751-20140 $22.70

Connectors
90980-10996 $5.15
90980-10797 $4.50

Panel
55499-20100 $8.49
________________________

roughly $65

This post has been edited by 99GT: Dec 3, 2008 - 12:47 PM

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is that the total price?
What about the heaters =)

Heaters are about $70/apiece on eBay

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There is a switch blank on either side of the steering wheel

and for those who may want a switch for just one side or the other...

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or.. put a coin holder there instead.

Box, Instrument Panel Coin (Coin Holder for Spare Switch Hole)
55441-20140-C0
approx. $6.17

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got a pic of that ? I'm interested...

here's some pics of the switches at night









blue LEDs will be here in a few days and then goodbye green

you are the king of the rare oem mods.

thank you sir.

will they fit in the blanks on either side of the wheel under the dash ?
yes and no

the will fit in the blank spot but the switches are deep, you would have to remove (or cut a some holes in) the brace behind the lower dash. If any of you have taken off the lower dash cover then you should know what piece I'm talking about.

for pics of the actual install, none really. I've taken seats apart before so I'm very familiar with them. It took me a few hours to do everything start to finish. FYI the 96+ seats are much easier to take apart than the 94-95 seats (I'm lucky to have 96 seats in my car ). I did the pass side first then the driver's. I put the relays and wiring under the armrest where the SRS ECU is and decided to put the heat pad wires from the relay out from under the armrest and down under the rails and gave enough slack to move the seats back and forth without problems. I'll take a few under seat pics tomorrow.

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X2 D.
you know im not a big fan on alot of this stuff, but man, you definetly have accessorized your interior quite nicely!
good work D!