METZGER | 2190489. £ 27,93. Condition: new. Windscreen wiper arm at bargain price for FIAT DUCATO best prices for original spares all Wiper and washer system automotive parts for DUCATO front and rear Discount ! cleaning the terminals coating the terminals with petroleum jelly and refitting them, that sorted out the problem. Never coat terminals/posts before fitting them. Clean terminals, clamp securely, then coat them with grease, or whatever you prefer. Coating them first simply adds yet another potential problem. Mar 22, 2022. #1. Hi I have a Fiat Ducato 2.3 2018 model Motorhome. I parked it up around 4 weeks ago, this weekend I started the van up and noticed that both electric windows and wipers are not working. I have checked all fuses under bonnet and under dash and all are OK. I have removed the connector to the drivers electric window and there is Points. 2. Jun 7, 2016. #2. It's the body control computer putting a voltage on the negative side of the headlamp relay coil and on the negative side of the wiper motor control circuit it probably doesn't happen when the engine isn't running and voltage is around 12/13 volts With engine running voltage is around 14.8 and the faul occurs. Yes of course they should work regardless of weather. The weather may have been entirely coincidental. The rear wipers go on normally: when in Reverse if the front wipers are on, and also with a twist control on the stalk. (it's the same design as my previous 500) Now researching the BCM. Reply Like. No power to fuses on Fiat 14 ducato van (1987) alternator charging, headlights, horn, hazard all ok, no power to indicators, wipers, heater fan, fuel gauge, temp gauge. all fuses are ok, engine starts If Fiat replace the unit it is likely to be with another unit with the same design fault. Cartronix say they beef up the unit in some way when they repair it. The only evidence of this to my untrained eye is that the warning lights are brighter when they are on but I have no reason to disbelieve them. The Cartonix repair costs considerably less hi everyone, first post, 2007 fiat ducato trigano tribute, passed mot, on way home wipers stopped, pulled over switched engine off back on and they worked started motor and set off and the stopped,this kept happening,work ok when parked up no engine running but as soon ad engine starts up blip the throttle and they stop. regards jim bradley ajEl.