Technical Fiat doblo wiper problem

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Technical Fiat doblo wiper problem

trims

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can anyone help me, my wipers have started to stop occasionally. when they start working on intermitent, they soon loose regular wipes and stop. i fiddle with the arm and it starts again. is it the wiper arm that is at fault or the relay. please please someone help me
 
Hi.
My Doblo has this problem too, although I haven't yet looked at it in depth, mine seems to be the stalk switch though and fiddling with it resumes operation. I think there is a relay imbedded in the stalk which is possibly the fault.
 
thanks to all. will try contact cleaner. if they have such a think in france. if not will proceed in trying to buy a new one. none in stock anywhere
 
Hi.
Four hours later I am none the wiser! I have had the stalk switch out and managed to dismantle it, no easy task I must say but in my car the switch is 100% OK.
It is looking like a body computer fault, as I think the control of the wiper motor is done in there but again I don't have circuit diagram of the body computer so I may be off track.
I wonder does anyone have a circuit diagram (schematic) of the body computer?
 
wouldn't it be easier to see if the supplie(s) were getting lost at the wiper motor itself?

Indeed they do, the wipers work fine when the car is cold then they get intermittent and eventually nothing at all until you switch off the ignition for a few minutes and they they work for a short while :bang:
 
Hi.
The fault in my case is definitely the wiper switch I "borrowed" one today and it was a total cure. I am getting one tomorrow, and will fit it rather than hanging in a loan switch.

I don't really see why the switch is duff as everything reads ok but you live and learn
 
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Hi.
Fitted a new (s/h) switch and this has cured the fault. I pulled the old switch to bits again and for the life of me cannot see what's wrong! There is a relay buried in the stalk though so this may be the trouble.
I also got an other instrument cluster a bit upmarket from mine but all that works is the seatbelt warning, its either duff or not compatible.
 
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