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Hello I have a common fault by the sounds of some of the posts on here -my 2003 406 HDi blower was intermittent now not working at all. the digital display tells me its working but the blower does not blow.

Two weeks ago I had the aircon regassed and recently with the weather having been hot, Ive been using the blower/ac with a vengance and it started misbehaving soon afterwards and I wondered if this was no coincidence?

I have tried some of the tests others have suggested but wondered if this is for the earlier 406 as they are unclear, such as testing the current on the large black wire in fuse box and check fuse (I cant find the large black wire) to confirm faulty ignition switch.
Another talks of the resistor but I also read this is only the case if the blower is stuck on full?

any suggestions would be great thanks:confused:
 

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in addition

Btw - the blower came on then went off for ten minutes then came on again and functioned fine for a few days then later did the same then went off and stayed off so probably eliminates fuse(s)??
 

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Thanks for all of the replies - no really Im underwhelmed.:(

To anyone else who has this problem of blower not blowing in 2003 406 HDi then i suggest buying or swapping a known working speed control unit / resistor as this has cured my fault. bought off ebay for £13 deivered in two days.

Its located in the passenger footwell near where the passengers right foot/toes would be. but you need to be a bit of a russian gymnast to get at the two 6mm bolts. ( I think mine has been replaced in the past as there was only one bolt present as the really hard to get to one was missing...luckily?)

Good luck if trying I hope this helps

pic off Google -
 

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blower fault

Thanks for filing the note - its just the kind of thing that could help me. Interesting that this module is stand alone and by the look of it not mounted in any air duct. If any anyone had asked me about this - i'd have give the wrong answer - thinking about the Mk2 Chrysler Voyager. Its Blower Control unit can go dead- and its in and air duct - and relies on the air flow to cool it. If air flow is poor a heat fuse in the module dies - it saves the unit but Chrysler don't sell the heat fuse alone so its right off... however if you lever it apart you can buy a heat fuse from Maplins for 70p.. which is good.
Glad to hear the Peugeot does not appear yo be the same !
 
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