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Car Forum / Peugeot Cars / February 2007Help Required with 406 Brake Light Switch
Hi I have just brought a 406 and have had a bit of an issue with the brake lights. they were fine for a few days, i then found that they were staying on all the time. i checked fuses etc and all were fine, this left me one option.. .. The Switch!! ... well after bending myself in ways i didn't realise i could i found this little plastic switch halfway up the break pedal EUREKA i thought.. well i got it out of the hole it was in and depressed it with someone watching my lights. They stayed on so it has to be the switch right??? ??? Also can someone please explain to me how i getting this vital piece of plastic back into the small area that it fell out of as i cannot get it back in???? Please Help !!!! Jim > Hi > I have just brought a 406 and have had a bit of an issue with the brake [quoted text clipped - 12 lines] > > Jim You might find it easy by removeing the pedals and do more movements than before.its a pain in the bum like all of the bits that have to be done under there.. chris addlestone surrey The PEUGEOT approved method is to remove the steering column to get access to the switch. What type of a person designs a part to be replaced in this way. Mike > > Hi > > I have just brought a 406 and have had a bit of an issue with the brake [quoted text clipped - 17 lines] > done under there.. > chris addlestone surrey A French car designer ;o)  SignatureKeith Willcocks (If you can't laugh at life, it ain't worth living!) > The PEUGEOT approved method is to remove the steering column to get access > to the switch. [quoted text clipped - 27 lines] >> done under there.. >> chris addlestone surrey Ok so the switch is now out yet the lights are still on all the time with no switch attached is this normal???? jim >A French car designer ;o) >> The PEUGEOT approved method is to remove the steering column to get access >> to the switch. >[quoted text clipped - 27 lines] >>> done under there.. >>> chris addlestone surrey > Ok so the switch is now out > > yet the lights are still on all the time with no switch attached is > this normal???? Probably not. The Haynes manual is in my car and it's wet and windy out there now so I'll have a look later and see what the circuit looks like. However, taking a stab in the dark, you will either have a permanent live to the lamps and the pedal switch shorts the return to ground or you switch the live to the lamps. Or the switch feeds a relay or shorts the return from the relay to ground. From the description of the problem I would say that you have a short somewhere and you have a permanent feed to the lights with the switch in the return. Places to check would be the tailgate amd around the pedals. I note you don't say which version of the 406 this is. It is only a little thing but it may give a further clue. A stupid question but you haven't left the fog lights on have you? SignatureMalc You know it's a bad day when even the aubergines are plotting against you hi no its not the fog lights it a V reg 406 GL saloon >> Ok so the switch is now out >> [quoted text clipped - 13 lines] > >A stupid question but you haven't left the fog lights on have you? I can't remember whether that model has separate stop and tail light bulbs or twin filament ones. If they are twin filament it is very possible that a filament has blown in one bulb and wrapped itself around the other filament thus providing a path to earth. This is a surprisingly common occurrence and well worth checking before you go any further. SignatureKeith Willcocks (If you can't laugh at life, it ain't worth living!) > hi no its not the fog lights > [quoted text clipped - 21 lines] >> >>A stupid question but you haven't left the fog lights on have you? > I can't remember whether that model has separate stop and tail light > bulbs or twin filament ones. If they are twin filament it is very > possible that a filament has blown in one bulb and wrapped itself > around the other filament thus providing a path to earth. This is a > surprisingly common occurrence and well worth checking before you go > any further. I haven't replaced any of mine yet but Haynes says it is a combined stop/tail. I've just looked at the circuit diagram and the stop switch supplies 12V to the stop light. So there must be a short in the two wires that go to the stop switch as Michael said. Or there is your solution of course. Jim hasn't explicitly stated whether the brake lights are on just when the rear lights are on or whether it is all the time even with the lights off. SignatureMalc You know it's a bad day when even the aubergines are plotting against you Jim You have the brake light switch removed from its mounting and depressing the operating pin does not switch the brake lights off. That's the first test. Now remove the two wires that go to the switch the brake lights should now go off if not you have a contact fault elsewhere in the wiring and the brake switch is infect OK Mike. > Hi > I have just brought a 406 and have had a bit of an issue with the brake [quoted text clipped - 12 lines] > > Jim Michael, i have removed the switch from the mounting and have pressed and depressed it which makes no difference the lights stay on. I have then taken the switch off of the its plug and they are still on!!! also this is occurring when i remove the keys from the ignition the lights stay on hence the flat battery i have been suffering !!!! I would also like to thank everyone for all the quick responses in trying to assist me. i am at a total loss I know nothing about car electrics but i can see this possibly being a trip to the nearest peugeot garage : ( >Jim >You have the brake light switch removed from its mounting and depressing the [quoted text clipped - 8 lines] >> >> Jim just to add........... there are no other lights on when i do this no tail lights just the brake lights >Michael, >i have removed the switch from the mounting and have pressed and depressed it [quoted text clipped - 16 lines] >>> >>> Jim just to add........... there are no other lights on when i do this no tail lights just the brake lights >Michael, >i have removed the switch from the mounting and have pressed and depressed it [quoted text clipped - 16 lines] >>> >>> Jim You say "no tail lights are on", but if the problem is a short to earth in a twin filament bulb (I have had a number of instances of this on different cars) other lights may well not come on. For the cost of one twin filament bulb to test by replacement I would do it before going to the money chargers. SignatureKeith Willcocks (If you can't laugh at life, it ain't worth living!) > just to add........... there are no other lights on when i do this no tail > lights just the brake lights [quoted text clipped - 22 lines] >>>> >>>> Jim Jim If removing the plug from the switch means the lights are still on your switch is OK. You can prove this with an AVO type meter set to ohms and used to measure the contact resistance when either operated or not.. Now with your AVO set to volts and one lead connected to earth and the other first to one lead on the plug and then the other. You should see volts 12V on one lead only this is the supply lead. I suspect you will see 12V on both leads this indicated a contact either in the wiring or in one of the light clusters. At this stage with the help of an assistant check that all lights are working correctly. The likely answer is that one is not working. This is likely to be where your fault is. Mike > Michael, > i have removed the switch from the mounting and have pressed and depressed it [quoted text clipped - 27 lines] > Message posted via CarKB.com > http://www.carkb.com/Uwe/Forums.aspx/peugeot/200701/1 > Hi > I have just brought a 406 and have had a bit of an issue with the brake [quoted text clipped - 12 lines] > > Jim Hello Jim,i am having a big problem with the brake lights on my T reg 1800 406.they are on all the time even with the key out.I first noticed this after i found the battery totally flat. I tried the fuses as i read you did then picked up on your post while trudging through various forums looking for a similar problem. Did you resolve the problem you had which looks exactly like mine ? If so could you help me with mine? I would be very gratefull for any help you could give me best regards brillo |
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