11BL stop light switch.
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  1. #1
    1000+ Posts gerrypro's Avatar
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    Default 11BL stop light switch.

    Can any one please post a pic or two of the original push rod operated stop lamp switch and installation on a small boot 11BL? Preferably a RHD car but LHD examples will also give me the information I need.

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    Cheers Gerry

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    skp
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    Quote Originally Posted by gerrypro View Post
    Can any one please post a pic or two of the original push rod operated stop lamp switch and installation on a small boot 11BL? Preferably a RHD car but LHD examples will also give me the information I need.


    I seem to recall that this switch was compatible:

    https://www.franzose.de/en/Citroen-D...werk/ANR14127/

  3. #3
    1000+ Posts gerrypro's Avatar
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    Thanks SKP. I have an original switch for LHD and have re-engineered it so it can be mounted on the Right hand side. ( Easy-drill out rivets, slot the bracket holes and mirror reassemble ).
    What I need is reference for the length of push rod and position of switch. So an original unmolested car is needed for a picture!
    Cheers Gerry

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    Fellow Frogger! tractionfan's Avatar
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    Hi Gerry
    I have an 11BN with the original switch. I won't be with the car til next weekend. I'm only to happy to take a pic if you haven't received one before then.
    regards
    Bill

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    Fellow Frogger! citroenthusiast's Avatar
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    Not sure this helps, but here is a Paris built 1954 11BL (large boot). No idea if it is original, but it works. The rod has two nuts under the switch and one above. The two nuts push up on the switch to extinguish the brake lights. As far as I can tell, the upper nut has no function since it never engages the paddle on the switch

    11BL stop light switch.-img_3227.jpg
    Last edited by citroenthusiast; 10th June 2018 at 02:31 AM.
    Cheers,
    John T.

    54 TAV Legere; 61DS19 LHM BVH (son's); 71DS21 BVH; 73SM 3.0; 73SM EFI (Megasquirt); 73SM 3.0 (other son's)

  6. #6
    1000+ Posts gerrypro's Avatar
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    Quote Originally Posted by tractionfan View Post
    Hi Gerry
    I have an 11BN with the original switch. I won't be with the car til next weekend. I'm only to happy to take a pic if you haven't received one before then.
    regards
    Bill
    Hi Bill, Is the BN a small boot car? If so I would love to see a pic of the installation!
    Cheers Gerry

  7. #7
    1000+ Posts gerrypro's Avatar
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    Quote Originally Posted by citroenthusiast View Post
    Not sure this helps, but here is a Paris built 1954 11BL (large boot). No idea if it is original, but it works. The rod has two nuts under the switch and one above. The two nuts push up on the switch to extinguish the brake lights. As far as I can tell, the upper nut has no function since it never engages the paddle on the switch

    Click image for larger version. 

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    That operated in the same manner as my switch but my installation is under the bonnet near the starter motor. The third nut just prevents the arm becoming disengaged from the pull rod. This is where I believe there is supposed to be a coil spring to damp the action.
    Cheers Gerry

  8. #8
    Real cars have hydraulics DoubleChevron's Avatar
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    if you just want working brake lights. Your local auto-electrical will sell universal plunger type switch from about $15.00 All you need is a hole to mount them in (they are variable depth).
    'Cit' homepage:
    Citroen Workshop
    Proper cars--
    '85 Series II CX2500 GTi Turbo I
    '63 ID19 http://www.aussiefrogs.com/forum/citro%EBn-forum/90325-best-project-car-you-have-ever-seen.html
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
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  9. #9
    1000+ Posts gerrypro's Avatar
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    Quote Originally Posted by DoubleChevron View Post
    if you just want working brake lights. Your local auto-electrical will sell universal plunger type switch from about $15.00 All you need is a hole to mount them in (they are variable depth).
    No! I want it to look stock standard.
    What set up is on your Dad's 11BL?
    I have ordered some 4x330mm stainless rod, in order to replicate the original.
    Cheers Gerry

  10. #10
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by gerrypro View Post
    No! I want it to look stock standard.
    What set up is on your Dad's 11BL?
    I have ordered some 4x330mm stainless rod, in order to replicate the original.
    I honestly have no idea what is in that car. I'll take a look later tonight. As you know its electrical system is just home made!

    seeya,
    shane L.
    'Cit' homepage:
    Citroen Workshop
    Proper cars--
    '85 Series II CX2500 GTi Turbo I
    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

  11. #11
    1000+ Posts gerrypro's Avatar
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    Quote Originally Posted by DoubleChevron View Post
    I honestly have no idea what is in that car. I'll take a look later tonight. As you know its electrical system is just home made!

    seeya,
    shane L.
    If the switch is on the firewall alongside the starter motor then is more than likely standard. A quick pic would be good.
    Cheers Gerry

  12. #12
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by gerrypro View Post
    If the switch is on the firewall alongside the starter motor then is more than likely standard. A quick pic would be good.
    it looks like there is a home made bracket and standard plunger switch activated by the brake pedal on this one. If the original switch is still on the firewall..... I can't see it (and my father probably didn't recognise it when the car was assembled). Who knows, it may still be there somewhere

    There was quite a bit of stuff there we couldn't recognise as the place he purchased the (dismantled) traction from ... also had other makes of cars in bits in it ( And we had never seen a traction apart before, so unless it was obvious we had no idea it was traction!).

    seeya,
    Shane L.

    seeya,
    Shane L.
    'Cit' homepage:
    Citroen Workshop
    Proper cars--
    '85 Series II CX2500 GTi Turbo I
    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

  13. #13
    1000+ Posts gerrypro's Avatar
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    Thanks for having a look Shane. I am fairly certain that I have the original layout fairly well sorted. The push rod is either 255mm or 215mm according to the parts manual but that of course id for LHD. However as an RHD alternative part is not specified then I am fairly confident that the part must be the same for both.
    The original installation looks a bit of a lash up in any case. This is odd because the rest of the switches and the wiring loom is really well designed and has quality fittings and connections throughout!
    Cheers Gerry

  14. #14
    1000+ Posts gerrypro's Avatar
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    11BL stop light switch.-22137.pngHere is a picture of an original LHD switch with rivetted construction.

    And here is the picture of the converted switch suitable for Right Hand Drive.
    11BL stop light switch.-dsc_0074a.jpg11BL stop light switch.-dsc_0075a.jpg
    The rivets have been removed and two extra holes have been drilled in the bracket.
    Rivets have been replaced with 4x20mm bolts and nuts and the heads of the bolts ground flat and thin so that the insulator fibre board can sit over them to prevent shorting the connections.
    Now all that remains is to replicate the push rod!
    Cheers Gerry

  15. #15
    Fellow Frogger! tractionfan's Avatar
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    Yes it is gerry it's a 1951.

  16. #16
    Fellow Frogger! tractionfan's Avatar
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    yep that's the switch on my car,

  17. #17
    1000+ Posts gerrypro's Avatar
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    Quote Originally Posted by tractionfan View Post
    yep that's the switch on my car,
    Hi Bill! Can you give the length of the push rod and perhaps post a picture of it? Please?
    Cheers Gerry

  18. #18
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    I replaced the original Citroen master cylinder on my 1949 recently with a Peugeot 505 dual master cylinder.
    The stop light switch on the original was a pressure diaphragm operated type in the outlet & all looked very original.
    Will see if I can locate in the bits bin.

  19. #19
    1000+ Posts gerrypro's Avatar
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    Quote Originally Posted by Artificer View Post
    I replaced the original Citroen master cylinder on my 1949 recently with a Peugeot 505 dual master cylinder.
    The stop light switch on the original was a pressure diaphragm operated type in the outlet & all looked very original.
    Will see if I can locate in the bits bin.
    Is your car Paris or Slough. Slough cars have a pressure operated switch at the rear of the long brake line on small boot cars and on the front of the master cylinder on the large boot cars.
    My car is Paris built!
    Cheers Gerry

  20. #20
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    Mine is Slough with small boot & hydraulic switch on the master cylinder outlet....looked all original.

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