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Car Forum / Peugeot Cars / March 2005elctrical problems
car: Peugeot 205 1.6 GTI (F reg) The fog lamp does not work One brake light does not work One dipped headlight does not work The fog and brake light bulbs look ok. I can't get the electrical connector off of the back of the headlight, so I can't check the filament. Manual says just pull it off. It wont move? Fuses look ok Is there a common lnk? Thanks A Making some progress. Fog lamp, and headlight now working. Still got a problem with the brake light. The tail light is working, and the bulb looks ok. I am not sure how thes stop/tail lights work. There are two electrodes in the housing and two filaments in the bulb. I am wondering why both lights don't come on simultaneously. A > Making some progress. > [quoted text clipped - 8 lines] > > A Because only one electrode is required for each filament. The circuit is completed by the bulb housing earthing through the holder. One filament is the tail light, the other is the stop light. Likewise one electrode is tail and one stop.  SignatureKeith Willcocks (If you can't laugh at life, it ain't worth living!) ok, thanks so, the fact that the tail light works means that the bulb must be earthing through its holder. The filaments are alright, so it looks like the elctrode in the housing may be causing the problem. Any idea how I can remove the housing so that I can check the wiring. Thanks A > ok, thanks > [quoted text clipped - 9 lines] > > A Sorry. Mine's a 406 so I can't help on that question. Is the other stop light working, if not you may have a switch or fuse problem. SignatureKeith Willcocks (If you can't laugh at life, it ain't worth living!) Yes, the other stop light works. I still can't see how to get at the wiring Evidently there is a plate inside the boot that can be removed. I can't see it Thanks for responding. Best wishes S "user1517" wrote: > Yes, the other stop light works. > [quoted text clipped - 9 lines] > > S In my experience, failure of lights in old cars is usually caused by bad earthing. In practice this means that the bulb outer body is not making good electrical contact with the lampholder. Spray everything with WD40 and leave to cook. Wipe off the excess and then try to remove the bubs. Then thoroughly clean the inside of the bulb holders if there are signs of corrosion. After cleaning, a bit of petroleum jelly (Vaseline) smeared on the surfaces will help to prevent further corrosion. Don?t forget to clean the bodies of the bulbs, too. ok, But wont the vaseline act as an insulator? Thanks S > ok, > [quoted text clipped - 3 lines] > > S Grease will insulate but Vaseline acts as a conductor. It is also good practice to smear the battery posts with Vaseline before fitting the terminals. Keith ok, I'll give it a go. Best wishes A ps. I always thought that vaselene was a type of grease > ok, > [quoted text clipped - 5 lines] > > ps. I always thought that vaselene was a type of grease Just a thought. I have no problem with the tail light in the same bulb. Does this mean that the earthing between the bulb and the case must be ok? Thanks S >> ok, >> [quoted text clipped - 14 lines] > > S You can only tell by experiment. I had a car years ago where only one tail light came on. When you pressed the brake pedal down that tail light went out and the stop light on the otherside came on. That turned out to be earthing. Bear in mind that one filament is a higher wattage than the other, I think sometimes the easiest path to earth is through the other filament. You could try getting some long lengths of flex to connect both bulb holders together and run straight to the earth post on the battery. That will tell you if earthing is the problem after which you can sort it out. Keith Thank you Sp |
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