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Fuse 44 - Blown Multiple Times

 
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Old 07-10-2010, 03:45 AM
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Fuse 44 - Blown Multiple Times

Hello Forums:

Correction: Fuse 45 has blown repeatedly in my Cayenne S.

It is the fuse responsible for the backrest adjustment of the Driver's Seat.

It blew the first time 6 months ago. I replaced it with a new fuse and it operated fine for 6 months.

Recently, it blew, and after replacing it, it blew less than 30 seconds later.

Could anyone point me at a possible problem before I take it into a mechanic?

To reiterate: My seat can move back and forth en-masse. However, the vertical backrest does not work, nor turning on the heated seat.

Thanks!
 

Last edited by Coliver; 07-10-2010 at 12:16 PM.
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Old 07-10-2010, 07:57 AM
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If you can remove the front cover on the bottom to look at it, a harness might have gotten chafed from the seat moving and exposed bare wiring to a ground. I'd try to follow wires first, and then if you are up to it, remove switches for the heater and the backrest to see if they are shorted.
 
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Old 07-10-2010, 11:59 AM
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Thanks for the reply!

I removed the front cover and did a check. It's really hard to follow the wires as the space is extremely cramped. Is there a better way to check?

I'm quite novice. I hope you don't mind the questions.

Also, I've replaced the fuse and it seems to be working fine, but I would like to get to the root of the problem rather than constantly replace fuses.

Thanks!
 
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Old 07-11-2010, 05:34 AM
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What year?
 
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Old 07-11-2010, 11:45 AM
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2005 Cayenne S

Thanks!
 

Last edited by Coliver; 07-11-2010 at 06:37 PM.
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Old 07-12-2010, 08:13 PM
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PM me your email. I have a .pdf saved of the seat wiring diagram. It shows fuse 44 as the heater. Maybe that will help you trace a few things.
 
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Old 07-16-2010, 05:43 PM
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E-mail for the Seat Wiring Diagram

Hello:

My e-mail address is [email protected]

If you wouldn't mind sending me the PDF of the Seat Wiring Diagrams, it would be greatly appreciated.

Thanks a log!
 
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Old 07-19-2010, 11:30 AM
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I'll get that to you tonight. Sorry - I didn't log on over the weekend.
 
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Old 12-12-2011, 01:51 PM
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I have the same problem with the passenger seat. Does anybody have an update for this old thread?

06 CS seat back stopped as well as seat heat-blown fuse twice.
 
 
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