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Old 12-10-2012, 06:49 AM   #1
CCM302
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Rear Heated Seats?

Anybody tried this or thought about it? I was thinking about it but wasn't sure how difficult all the wiring would be. Thoughts?


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Old 12-10-2012, 01:13 PM   #2
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I like to lurk in SVT mod section (not an SVT owner) to hear the SVT crowd come up with some great ideas. That being said, this shouldn't be too much of an undertaking. I would start with going to an auto upholstery shop; they can help you with the seat heaters. Beyond that the wiring and switches shouldn't be too big of an issue. My biggest curiosity would be where you mount the switch for heater control; in the front for owner/driver control or in the rear for the people that are using the seat.
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Old 12-10-2012, 03:00 PM   #3
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Quote:
Originally Posted by drewts86 View Post
I like to lurk in SVT mod section (not an SVT owner) to hear the SVT crowd come up with some great ideas. That being said, this shouldn't be too much of an undertaking. I would start with going to an auto upholstery shop; they can help you with the seat heaters. Beyond that the wiring and switches shouldn't be too big of an issue. My biggest curiosity would be where you mount the switch for heater control; in the front for owner/driver control or in the rear for the people that are using the seat.
I was thinking mount them in the rear, accessible to the passengers and make them for each individual seat. But, then again it may not see many passengers seeing as the leg room is somewhat limited. I don't know. Just thinking out loud I guess.
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Old 12-10-2012, 03:34 PM   #4
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I like the idea of having the switch in the back, but I don't like the idea of people leaving the heaters on after they get out of the car. I don't know enough about electronics to build one, but it would be nice to have a system that 1.) shut off the seats when you turn off the ignition, and 2.) after the seats were shutoff, the system would "reset" so that once you turned the car back on the seats would still be off. If the passengers needed their seats heated then they could turn it back on, but that way there would be no way they could be left on for extended periods by accident.

Maybe it's time for me to get a basic circuits book and do a little learning.
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Old 12-10-2012, 03:55 PM   #5
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I have an idea about how to do it. And yes, I agree, they would have to be able to turn off automatically in the way you describe. I think the front seats act like this. If so, I can just mimic how they are setup.
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Old 12-10-2012, 04:54 PM   #6
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I thought about it just as a thought, but I'd never do it.

The factory heater buttons don't self "reset" after the car has been shut off, but they do cut off with the ignition. You can use a relay to cut the heaters off with the ignition, and it's safer to use a relay anyways.
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Old 01-09-2013, 02:24 AM   #7
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Was driving back from snowboarding tonight and thought about that momentary (is that the right word) switch I was thinking about. Our car already has a switch that functions so that every time the car is turned on, the switch is off and needs to be engaged/re-engaged. Ford already gave us a brilliant switch for the rear window defogger that functions perfectly for this application. Now just have to pull the switch apart and see how we can tailor it for its new job.
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Old 01-15-2013, 01:06 PM   #8
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Been researching again, found some seat heater kits that run $37.50 per seat (each kit comes with 1 backrest and 1 bottom heating element), so you could do the entire backseat for $75.

http://www.sportsimportsltd.com/univ...20heater%20kit

Only issue I can think of is that these heating kits come with their own 3-position switch (hi/lo/off), so you couldn't use the modified defogger switch (2-position, on/off) like I was hoping. Still like the idea of a cutoff relay for when the car turns off. Grrrr
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Old 01-15-2013, 01:50 PM   #9
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The traction control button is like the defrost buttons except it looks more the part. There isn't anything in those buttons to modify, they just send an electric pulse to the computer that controls whatever it is. There is a "chip" in the defrost buttons, but I don't know if it has the control for the "latching".

A momentary latching relay would work, but like you said it won't do hi/lo/off.
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Old 01-15-2013, 02:08 PM   #10
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Alot of work for something that might get used very little. Heated seats are a nice creature comfort but it's not like your rear passengers are suffering without them.
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