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Heated Seats or lack there of.....

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Old 11-21-2003, 10:38 AM
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Originally posted by Edge
Just want to re-iterate what was previously posted. I agree that my seats seem to be connected to the position of the hot / cold dial on the dash. Regardless of position if it's below about 60 out, they will warm somewhat. However, I've almost cooked myself on them a couple times and everytime i've noticed the temp dial turned all the way to max heat. I thought it was my imagination at first. Maybe somebody can experiment and confirm or deny the observation?
Just a thought here... could it be that you turning the heat to full-on high AND the seat heater activating full force are both results of the same causal factor... that being the low ambient temperature? Have you turned the heat on full on days when the weather was warmer, just to see if it made the seat feel hot? Have you kept the heat setting low on cold days, just to see if the seats remain cool, or warm up just as much??

Btw, I'll be trying those things myself just to see if I can notice any correlation... but that's just out of my own curiosity now... I am satisfied with the operation of the seat heaters, but since this is a relatively easy thing to try, I gotta give it a go.
Old 11-21-2003, 06:25 PM
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Originally posted by jdaled
Just a thought here... could it be that you turning the heat to full-on high AND the seat heater activating full force are both results of the same causal factor... that being the low ambient temperature? Have you turned the heat on full on days when the weather was warmer, just to see if it made the seat feel hot? Have you kept the heat setting low on cold days, just to see if the seats remain cool, or warm up just as much??

Btw, I'll be trying those things myself just to see if I can notice any correlation... but that's just out of my own curiosity now... I am satisfied with the operation of the seat heaters, but since this is a relatively easy thing to try, I gotta give it a go.
Great! More observations with attention paid to details can only help. While I do think external temperature is one input to the heaters, at this point I have personal "anecdotal" evidence that the heat dial setting seemed to have the effects you ask about in the situations described. However, my wishful thinking, response to hot air or cold air blowing, etc. may be coloring my opinions. Better tests might be to put the fan on zero first, then try the hot and cold positions on the temp dial to see how that changes seat performance. It's just my personal opinion again based on just my observations with no scientific method applied that multiple temp sensors appear to be in play: outside temp, seat surface temp, heater temp setting, etc. 'Course it could all just be me being way to optimistic and it's really just an intermittent seat heater.

Last edited by Edge; 11-21-2003 at 06:27 PM.
Old 11-21-2003, 06:59 PM
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Heated seats are fine for me in cold weather (< -10C). Around 5C they didn't seem quite as hot. I'm not a hot-*** specialist so I don't know why that is.
Old 11-26-2012, 11:02 PM
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Originally Posted by rooster
It may not be really cold now, but it does get a wee bit chilly here. It can get to the low 40's here at night.

But, then again, when that happens, We're usually nice and tucked in our warm beds.....:p

I keep quiet for the time being, but when it does get to the low 40's and I happen to be out, those seats better be toasty....

Haha!! Low 40's?

Around here, we get well below 0 on cold nights.
Old 11-26-2012, 11:40 PM
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Originally Posted by RenesisPower
I live in California and took mine in because they did not warm up. The svc guy contacted Mazda and was told that the heat seaters shut down at 88 degrees F.

Considering that your body temp is 98.6, then these seat heaters are a waste of money, weight and space.
I hope you know that the thermo-sensor it is using is the same one on your dash that displays the OUTSIDE temp, not what is actually touching the seat...
Old 11-27-2012, 12:20 AM
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Whoa! What a way to bump a NINE years old thread.
Old 11-27-2012, 06:59 AM
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...NINE years old thread...
Colorado just got pounded for asking a beginner question in his first post, and was told to search and browse the site. Don't flame him for being a quick learner.

This was actually a very interesting rhread. Never saw it before because it was before my time. Resurrections can be good.

Ken
Old 11-27-2012, 11:40 AM
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Yes, you are right, it is an interesting discussion.
Old 11-27-2012, 06:13 PM
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Originally Posted by Grace_Excel
Whoa! What a way to bump a NINE years old thread.

It's alive again!!!
Old 11-30-2012, 11:26 AM
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I'm happy with my heated seats. I kinda wish the car didn't have the option installed in it though. If I ever decided to change to racing seats I will have 2 useless switches. But nothing beats heated seats in the winter. So nice!
Old 11-30-2012, 11:56 AM
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Originally Posted by JamesD31
I hope you know that the thermo-sensor it is using is the same one on your dash that displays the OUTSIDE temp, not what is actually touching the seat...
the shop manual says that there is a thermostat IN the seat. i had the bottom of my seat apart, and there is a 3rd wire on the circuit, so there is something besides the two heater elements, but i did not see the thermostat.

the wiring diagram doesn't show the thermostat, in the diagram power just is switched by the switch, and the heater is on

so there is some mystery there, but it does not look to be connected to the heater control, although the thermostat turns off @88F, which isn't that hot
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