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Mk 2 Wiper park switch required.

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    Mk 2 Wiper park switch required.

    Hi, Please could anyone tell me where I can get a Mk 2 wiper park switch from. Lucas number 54701577/Triumph Number 12453A.
    Thanks very much, Mark.

    #2
    PM Tony White, fair chance he will have a wiper motor, or stick a wanted ad in for sale and wanted section
    Stags and Range Rover Classics - I must be a loony

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      #3
      Originally posted by Markvh View Post
      Hi, Please could anyone tell me where I can get a Mk 2 wiper park switch from. Lucas number 54701577/Triumph Number 12453A.
      Thanks very much, Mark.
      Find many great new & used options and get the best deals for Jaguar Xj6 Lucas Switch 54701577 Whb104 at the best online prices at eBay! Free delivery for many products!

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        #4
        Thanks.
        I put the 54701577 part number into SNG Barratt's web site and it came up with superseded by SNG part number RTC1410 wiper park switch suitable for
        • Daimler Sovereign S1
        • XJ12 S1
        • XJ6 S1
        • XJ6 S2 / Daimler Sovereign S2
        Does anyone know if this might fit the Stag?

        https://www.sngbarratt.com/uk/#!/Eng...0-f9e7105541f1

        Thanks
        Last edited by Markvh; 16 July 2019, 15:41.

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          #5
          no idea sorry.

          what is wrong with the original? I am guessing that it is not parking. Do the wipers sweep all the time the ignition is on or just park where ever you turn off the switch?

          Have you confirmed that the shuttle is pushing down on the plunger
          Stags and Range Rover Classics - I must be a loony

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            #6
            Originally posted by richardthestag View Post
            no idea sorry.

            what is wrong with the original? I am guessing that it is not parking. Do the wipers sweep all the time the ignition is on or just park where ever you turn off the switch?

            Have you confirmed that the shuttle is pushing down on the plunger
            Sorry, Richard I don't know. I am absolutely useless with anything do do with electricals. The story is, a couple of weeks ago, out for a long weekend away in the Stag. Saturday the wipers worked fine. Sunday (150 miles from home), they started to work then stopped. Blown fuse.
            No 15 amp spare fuses so put in a 20 amp. Started up, switched wipers on and wife noticed smoke coming from the steering column area and fuse blown. Luckily by the time I had stopped messing about the rain had stopped and we had a lovely drive home.
            Took car in to Auto Electrician (who I really rate, in fact my car is the oldest one in his workshop at the moment). he did some checks and tests. Overhauled the wiper motor as well in case anything was sticking because of lack of use, but has told me I need a new wiper switch. Which I have since supplied him with.
            He says I also need a wiper park switch. These appear to be really hard to get hold of and reconditioned wiper motor units with the park switch are also in short supply (available if back order). Why does it appear that you need to get a complete reconditioned wiper motor with park switch but not park switch on its own?
            When I think about it now, I used to have to switch the wipers off at just the right moment so that they stopped at the bottom of the windscreen.
            Mark

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              #7
              crumbs, yep I understand.

              when the wipers are not used the plunger in the park switch is pushed down by the slide shuttle inside the wiper gearbox thingy. The lube inside the wiper gearbox will gum up over time and things get sticky.

              Chances are that with a little lube the plunger in the park switch will start to operate again. it really is a very basic microswitch. get him to check that before splashing out on a new unit that may or may not fit.

              sounds though that the smoke was from the column switch which has now been replaced.

              Good Luck

              Richard
              Stags and Range Rover Classics - I must be a loony

              Comment


                #8
                I spoke with the Auto Electrician. He said the plunger was fine but the contacts were burnt out and in a mess. He said there is an earth wire in there which is all in a tight space and that might have been a cause of the problem, also causing the wiper switch stalk to burn out (me putting in a 20 amp fuse probably didn't help matters).

                Comment


                  #9
                  I had the same problem, wipers not parking.
                  I checked the wiper park switch and it had been repaired many times.
                  I got it working OK, but basically it was worn-out and was bound to fail again.
                  I could not find a new park-switch anywhere and the park switches on the recon Stag wiper motors looked like they had seen better days.
                  I did find out the the Scimitar GTE uses the same wiper motor as the Stag, but the original wiper motor park-switch still proved elusive.
                  So, I decided to splash out and fit a brand new wiper motor.
                  I purchased a new LRW110 wiper motor and wiper gear from Car Builder Solutions.
                  This is slightly smaller than the original wiper motor, but CBS kindly made up a new piece of bundy tubing to the length I specified and it fits and works perfectly.
                  New park switches for the LRW110 motor are widely available, but it is of a completely different design to the Stag wiper motor and does not fit.

                  Den

                  Comment


                    #10
                    Thanks Den. I read your topic this afternoon (after ordering the Jaguar wiper parking switch). If this doesn't work I may follow the same route as yourself. BTW, what does it mean 'Requires correct switch for 2 speed operation and park.' on CBS wiper kit description? Is this for a wiper park switch or the column stalk switch? My Stag is a Mk2 and the new stalk wiper switch is 2 speed with intermittent, will this still be OK?

                    Comment


                      #11
                      The LRW110 wiper motor has 2 speed type operation, which we use/need for the Stag, so it will need a switch which is capable of 2 speed operation, e.g. has a slow and fast setting.
                      If the switch did not have 2 speed operation then the wiper motor would only get one power feed for either slow or fast.
                      The "park operation" setting means that the motor must be fed with a live feed in addition to the slow and fast speed setting feeds, to allow the wiper motor to continue to run when the wipers are turned off and hence park the wipers (pin4 on the wiper motor plug)
                      I checked the wiring diagram for the MK II and the "intermittent" feed from the wiper switch feeds through a "thermal delay unit" and then back into pin2 (LG/N coloured wire) on the wiper motor as per the slow wiper speed setting.
                      So, intermittent operation should work OK.

                      Comment


                        #12
                        Here is war and peace on how to refurb your Lucas 16 wiper motor (or any other). The park switch link from Markvh is definitely the correct switch for the Lucas 16 wiper motor (SNG Barratt) as fitted to the Stag (or at least the MK11!). If taking the motor apart, put in new brushes (LD Parts have them), buy three and then one brush, the second speed brush, has to be cut back to make it like the original. A craft knife does this easily. It is also a simple job to solder the brush wires to the motor brush carrier (to solder, tin the wire with solder and the steel connector separately first, then place them together and re heat to melt both together - keeps temperature overall down). The park switches generally look OK if opened up, but you cannot get to the contacts without damaging the whole switch. It there is any contact resistance the wiper motor doesn't get the amps needed and slows down and/or doesnt park. They will still work in a fashion though if the parking switch has failed. Once repaired it will work like new for the next 100,000 miles! When changing brushes, use some metal polish (e.g. Brasso) to clean up the rotor commutator - these parts were made well and the copper running surfaces are rarely rough or damaged. But if they are, it will need a skim. The mechanisms are good forever provided you take apart and regrease the gear. The motor shaft has a ball bearing at its end and a little hardened thrust plate. Putting that back together correctly and getting the brushes onto the rotor as the casing is coming together is the hardest past and much worse than doing the motor refurb. Hope this helps someone. The Lucas 16 was fitted to quite a range of cars (including lotus and rover) and the parts are around for them, so replacing with a new of a different type is to my money a bit of a sledgehammer..

                        Comment


                          #13
                          Hi, My mk2 wipers will not park, they operate ok on slow and fast speeds. I have stripped the motor and the brushes are within the minimum lenght at 7mm for earth and slow and 9mm for fast. I have read all the other posts on the park switch and as far as I can tell there should be permanent power to the green wire at the park switch. I have 12v there. I have cut open an old park switch as attached pictures. as far as i can see there is no physical connection between the permanant live and the slow speed brush. the 3 connections on the switch are permanent live (green) left connection, intermitant feed green/brown in the normal position and pemanent live (green) and the earth brush (blue green) (black on the plug) when the switch is depressed. I have obtained a new park switch (for a jaguar XJ6) and they still won`t park. Am I missing something? all help appreciated, thanks in advance Derek 2020-04-06 13.52.01.jpg2020-04-06 13.52.15.jpg2020-04-06 13.52.50.jpg2020-04-06 13.54.17.jpg2020-04-06 13.52.01.jpg
                          Attached Files

                          Comment


                            #14
                            Interested in this thread:- I have had a new 16w body printed in nylon. Have fitted new 14w contacts (bit cost reduced compared to originals but all that is available) The switch is all wired into a new brush holder & testing is underway. will report outcome.
                            There are 2 secrets to staying on top :- 1. Don't give everything away.
                            2.

                            Comment


                              #15
                              This is the one you required , expensive but!

                              LOTUS EUROPA 1969-1975 PARKING SWITCH FOR WIPERS GENUINE LUCAS NEW NOS 54701578 | eBay
                              "The UK,s 2nd Most Easterly Stag" Quad Exhaust- ZF 4 Speed BOX

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