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C4 Coupe (or Hatch) Rear Wiper not working or rear brake light or tailgate lock faulty. |
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Nismoair
 
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  Member No: #16928
Joined: Dec 20 2010Location: England |
Hmm, well I hope the electrian has some Citroën experience! | ||||
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Nismoair
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Member No: #16928
Joined: Dec 20 2010Location: England |
Garage called me back today and it turned out to be the windscreen washerjet motor unit. It has been replaced and now the front AND rear washer jets work. This is what the garage inform me anyway, proof will be revealed when I finally pick it up tomorrow  Bizarre solution but well pointed out Dave, thanks for your advice |
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PPP7
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  Member No: #135
Joined: Feb 25 2007Location: South Midlands |
Finally got around to fixing my tailgate wiring today. Only the boot switch wire was actually broken and a couple of the others were showing bare wire. You need to remove the trim on rear left side to free the wiring loom in order to get enough slack to expose all the damaged wires and repair. Also needed to disconnect the washer hose at the roof end which also goes through the flexi. I plumbed in a length of new cable for the broken boot switch wire, and rejoined at both ends either side of the rubber flexi. Then put some insulating tape on the two exposed wires and everything now working ok. When I have more time I will replace the wires I taped up, but I am happy that I can now open the boot and it should last for a while now. |
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Ugoghiti
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I did the job today to my C4 coup 1.4 ... Symptoms were: rear wiper fuse often bowed up, yesterday the trunk lid couldn't be opened  only a small cable was cut. Black big cable veeery messed up and ground big cable messed up. 2 hours work to disassembly, loosen wires, cut, join and reinsulate, re-reinsulate with thick double adhesive tape. I think the cables break because of the torque and because of the heat (in facts the bigger cables were a little "toasted inside"). Car has 150.000 miles and 6 years. i admit this car sucks, anyway the engine and mechanic never left me on foot, in my frequent looong work trips, 7-8 hours on highway in a row. Compression, power, everything is still fine. But this car sucks on many little things that could be very expensive. Anyway we had a call back in italy for this problem, but my car wasn't on the list... Why?? Yeah because citroen sucks, I just said that. |
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Marty.tha.mouse
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I've guess I have a similar problem.. Since a couple of weeks my right side brake light doesn't work anymore.. Everything else is working fine, left brake light, other lights, wiper and boot.. I've checked the bulb ofcourse but with no result, changed it for another one but the brake light just doesn't work.. My car has been to the dealership for a recall for the rubber tube for the boot lid.. Or whatever the English word is  In the Netherlands it was a MHU-recall, don't know if you guys have the same name for it..?Anyhow, the had fixed it at the dealer a couple of month back, didn't had any problems before and didn't have them afterwards for a while, but now since a couple of weeks no right breaklight.. But since I own a coupe (1.6 VTR 2006) I wonder if the cables for the brake light are even running trough the boot lid? I guess only for the center brake light, but thats working fine also.. So I wonder which cables I have to check for failures.. I've checked the rubber directly in the back of the light unit itself, but it looked OK, but to be honest I couldn't get the rubber removed so it could be damaged underneath, but there is room for movement so I wonder if that could be even possible.. But in short I would like to have some tips of where to start looking why my left brake light doesn't work.. Thanks in advance! |
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Dave_Retired.
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  Member No: #1
Joined: Aug 07 2006Location: Northumberland |
Have you checked with a multimeter to see if there is power to the bulb holder | ||||
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Marty.tha.mouse
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Thank you DAve for your reaction.. To be honest, I haven't checked the bulb holder with a multimeter, if it gets power.. I asume that I have to ask someone to push the brake while I measure the volts on the bulbholder... But what (and that is quit a big possibility I guess) if there isn't any power on the brake-bulb-holder? What is the best way to check than from there on? A bit of a noob question perhaps, but I'm not that great in reparing electrical problems.. Thanks once again! |
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Marty.tha.mouse
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WIERD!! Last weekend I wanted to check the wiring with a multimeter.. And it gave power! So I put the bulb back in and it worked!! So I don't have any clue of what went wrong, but maybe the hussle with the bulb and wiring have fixed any bad contacts or something.. But important thing is that it works again Yeay.. |
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gmerry
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Member No: #11625
Joined: Nov 30 2009Location: aberdeen |
Well Rear Hatch Electrical prolems were getting worse:- To open the rear hatch a door had to be opened first To operate the rear wipe, the rear screen heater had to be selected The rear heater didn't work at all. etc As I had already peeled the rubber boot back and not found any problems, I checked with the local Citroen mechanic and he was convinced that the symptoms all indicated that the main earth was compromised and that other circuits were acting as earth. So armed with new rubber boots and lots or wire, heat shrink, a nice handy gas fired soldering iron etc I got stuck in. Slicing back the rubber boot indicated a right mess with the main earth cable broken, the rear heater large black cable hanging by a thread and most of the other wires with damaged installation. I repaired the loom by first preparing a rubber boot with the correct number of wires routed through it and about 6 inches poking out at each end. Actually I added in 3 smaller earth cables instead of the original one fat one to make it more flexible. I rerouted the wash tube around the back of the boot and up through the empty right hand side rubber flexible boot. Without the rubber hose, much more room for the wires so hopefully not so much friction induced strain. Then I soldered and heat shrinked the wires for the new section and pulled all the joints through into the hatch lid. This was so the stiff soldered joints were well away from the flexing rubber boot. Joined up all the other ends at the body side. Reinstated trim and spoiler and job seems to be a good one (ie everything works first time in about 2 years). Regards G By the way, this was on a 2005 hatch not covered by the recall (correct rubber boots were originally fitted) |
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Dave_Retired.
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Member No: #1
Joined: Aug 07 2006Location: Northumberland |
So at first glance it looked fine, but once you stripped it out you found it wasn't. Thanks for the tip as I'm sure others will be affected. |
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gmerry
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Member No: #11625
Joined: Nov 30 2009Location: aberdeen |
As a tip for anyone trying to repair this, I couldn't see how a new boot loom could be fitted as the end terminal fittings are larger than the hole in the hatch. Hence I decided to repair. As there are 6 white wire (two medium and 4 small), there is a fair chance of a mixup unless the wires are swopped over one at a time. Regards G |
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nicodemuynck
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 Member No: #10982
Joined: Sep 23 2009Location: Spain, Las Palmas |
mikejgg wrote ... I have had the same problems as this, When ever I braked the rear wiper came on, however if I disconnected the middle brake light the wiper would not come on till I switched the rear heater on. I found the problem to be broken wires in the rubber grommet, from the body shell to the boot lid witch you can see by the images below. To stop this happening again I have extended the wires so that they are not stretching in the rubber grommet.  How did you do? Did you replace the wires or just extended them? I tried to do this today, but didnt, cause the wires were streched, too much... Any help / advice apreciated
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wozza
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 Member No: #2
Joined: Aug 12 2006Location: Manchester |
Take it back to the dealer, it has an official recall. So even out of warranty they will still fix it for free. | ||||
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nicodemuynck
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Member No: #10982
Joined: Sep 23 2009Location: Spain, Las Palmas |
Hi Wozza I live in Spain, there is no recall for it here... |
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wozza
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Member No: #2
Joined: Aug 12 2006Location: Manchester |
They are usually world wide the recalls. | ||||
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