Posts: 5,343 Threads: 68 Thanks Received: 1,190 in 1,055 posts Thanks Given: 195 Joined: Dec 2011 Location: UK Reputation: 150 Hi. I have sone wiringproblems with my petrol berlingo 2000 mod. My horn is not working, have checked the horn it works with direct power. CB is ok.according to Haynes manual it is wire no 250 is going between horn + side and is routed direct to the steering wheel push button. Not via the BSI unit. Signal horn does not function. In the above vehicle, the multi-function control unit and/or or the signal horn may malfunction. One possible cause in some vehicles may be a defect in the wiring harness of the brake pedal switch that can scrub at the steering shaft due to unfavourable positioning. As a corrective action, the wiring harness Anonymous. 122 Answers. SOURCE: drive/fan belt citroen berlingo. Look under the hood on top of the radiator there is usually some type of a sticker there which show the pulley setup. Posted on Dec 02, 2009. Posts: 5,336 Threads: 68 Thanks Received: 1,188 in 1,053 posts Thanks Given: 195 Joined: Dec 2011 Location: UK Reputation: 149 Berlingo Van - Oil Leak Last Post: m.lev Yesterday 11:01 PM » Replies: 3 » Views: 74 Dash cam with reversing for Berlingo 2019 van Last Post: prj63 Yesterday 09:27 PM » Replies: 26 » Views: 1621 Citroën Berlingo - horn not working Last Post: Zion Yesterday 07:55 PM » Replies: 10 » Views: 7814 Windscreen washer problem Last Post: Zion Help please - I want to buy an old Berlingo Last Post: Ed D Today 12:35 PM » Replies: 3 » Views: 144 Dash cam with reversing for Berlingo 2019 van Last Post: RichCowell Today 12:25 PM » Replies: 25 » Views: 1577 New member here Last Post: austinparker Today 11:56 AM » Replies: 0 » Views: 12 Citroën Berlingo - horn not working Had a call from a mates garage a while back who inherited a berlingo from another garage after fitting four com2000 units to this van for horn faults, each one would cure the problem for a few days then back to the same again, turned out to be the usual damaged wires at the steering column. Citroën Berlingo - horn not working Last Post: evdama Today 11:23 AM » Replies: 7 » Views: 7754 Strange Horn Behaviour Last Post: evdama Today 10:07 AM » Replies: 4 » Views: 1415 Turbo to DPF gasket Last Post: ManWithNoVan Today 08:56 AM » Replies: 2 » Views: 32 Electric parking brake recall Last Post: Leonberger Today 07:42 AM » Replies: 5 4BvlCp.

citroen berlingo horn not working