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Author Topic: Front heated seats  (Read 6162 times)

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feeutfo

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Front heated seats
« on: 05 December 2010, 00:10:19 »
 Siver omega, front seats have no heat at all. Lights light up on the dash switches so not the fuse, plus I think that fuse runs half dozen major systems on the car anyway so sure I would notice those...

So I guess that only leaves the seat pads  . But I'm having trouble believing that all 4 pads have failed, both sides, base and back. Can't think of any other reason for them not to work, can you?
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Kneepad

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Re: Front heated seats
« Reply #1 on: 05 December 2010, 01:03:10 »
Does seem like a bit of coincidence that all pads would die at the same time. Can only suggest that there is a common feed wire from the fuse to the heater pads that is open circuit.
I would be checking all connection plugs between fuse and seats.    :-/
 
« Last Edit: 05 December 2010, 01:14:14 by Kneepad »
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2woody

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Re: Front heated seats
« Reply #2 on: 05 December 2010, 13:37:44 »
have same problem in one of mine - does anyone have a wiring diagram of the later 5-setting seat heaters ?

might have to do one if not available.
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Kevin Wood

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Re: Front heated seats
« Reply #3 on: 05 December 2010, 13:40:35 »
Quote
have same problem in one of mine - does anyone have a wiring diagram of the later 5-setting seat heaters ?

might have to do one if not available.

Yep, almost certainly. :y

Kevin
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feeutfo

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Re: Front heated seats
« Reply #4 on: 05 December 2010, 13:47:56 »
Quote
Quote
have same problem in one of mine - does anyone have a wiring diagram of the later 5-setting seat heaters ?

might have to do one if not available.

Yep, almost certainly. :y

Kevin
Pm sent, Thanks to Mr jimbo. Two fuses involved by the looks, 15 and 29. Not checked 29 yet.
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Andy B

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Re: Front heated seats
« Reply #5 on: 05 December 2010, 16:18:22 »
Quote
  ..... But I'm having trouble believing that all 4 pads have failed, both sides, base and back. Can't think of any other reason for them not to work, can you?

It doesn't need all 4 to fail for them to not work. Base & back elements are wired in series with each other so you only need one of them to fail to get no heat at all on a seat. I wouldn't rule out 2 failed base elements.  :y
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feeutfo

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Re: Front heated seats
« Reply #6 on: 05 December 2010, 16:33:56 »
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  ..... But I'm having trouble believing that all 4 pads have failed, both sides, base and back. Can't think of any other reason for them not to work, can you?

It doesn't need all 4 to fail for them to not work. Base & back elements are wired in series with each other so you only need one of them to fail to get no heat at all on a seat. I wouldn't rule out 2 failed base elements.  :y
Ah, ok. It has done 137k. Will bare in mind. :y
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TheBoy

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Re: Front heated seats
« Reply #7 on: 05 December 2010, 16:51:26 »
As Andy B says, each seat has the base and back wired in series.

For eg, if (when!!) I unplug the heater from the seat extender on the MV6, none of that seat will heat, as the circuit is broken...
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feeutfo

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Re: Front heated seats
« Reply #8 on: 05 December 2010, 18:33:40 »
Don't suppose there is any chance of repairing the pads if failed? Off to the dealers I suppose?
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Andy B

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Re: Front heated seats
« Reply #9 on: 05 December 2010, 19:19:34 »
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Don't suppose there is any chance of repairing the pads if failed? Off to the dealers I suppose?

depends where it's broken. As said plenty of time here, you might get away with the removal of a short section of element.  :y :y

And if leather, your parts desk will only be able to give you the option of a brand new cover with the heating element sewn to it  :-? I've never priced one, but I bet it'll be a couple of hundred quid even for the smaller base cushion.  ;)
« Last Edit: 05 December 2010, 19:22:02 by Andy_B »
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2woody

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Re: Front heated seats
« Reply #10 on: 05 December 2010, 19:57:14 »
had a quick look once - the element is inseperable from the seat cover.

On mine - I think i'll not have the control unit fitted, it's an ex-plod retro-fitted with heated seats and switches.
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feeutfo

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Re: Front heated seats
« Reply #11 on: 05 December 2010, 20:06:09 »
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Don't suppose there is any chance of repairing the pads if failed? Off to the dealers I suppose?

depends where it's broken. As said plenty of time here, you might get away with the removal of a short section of element.  :y :y

And if leather, your parts desk will only be able to give you the option of a brand new cover with the heating element sewn to it  :-? I've never priced one, but I bet it'll be a couple of hundred quid even for the smaller base cushion.  ;)
BMW do a separate pad for e39 seats, which is very similar design to mv6 seats with the extendable bit under the back of your legs. Also do the hog rings and pliers. Wonder if they could be made to fit?

Although I will need normal pads for elite seats.
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VXL V6

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Re: Front heated seats
« Reply #12 on: 05 December 2010, 20:18:33 »
Might be worth a chat with Pedro on here, sure he has retrimmed Calibra seats and fitted replacement heating pads to others.

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mrjimbo

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Re: Front heated seats
« Reply #13 on: 05 December 2010, 20:24:49 »
Is there any way to check the heated pads with a meter without having to strip the seat covers off ?
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TheBoy

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Re: Front heated seats
« Reply #14 on: 05 December 2010, 20:25:52 »
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Is there any way to check the heated pads with a meter without having to strip the seat covers off ?
I imagine a meter would show it...
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