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Hot!Brake Light Switch

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JME
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2020/05/15 18:02:39 (permalink)
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Brake Light Switch

My Rev1 SW20 cruise control has stopped working, I did the diagnostic and it failed on the brake switch, is this the brake light switch I need?
https://www.ebay.com.au/itm/Tridon-Brake-Light-Switch-RAV4-LANDCRUISER-HILUX-COROLLA-CAMRY-CELSIOR-TBS018/222943120004
 
#1


3 Replies Related Threads

    Reddtarga
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    Re: Brake Light Switch 2020/05/16 18:28:41 (permalink)
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    The switch you show has the wrong plug for the early models anyway, and I don't know what it may fit.
     
    Before you buy anything check your plug to be sure, but for an early model SW20 try this one: 
    https://www.ebay.com.au/itm/Tridon-Brake-Light-switch-TBS017-fits-Toyota-MR-2-2-0-16V-SW20/163440104059?epid=24027262339&hash=item260dca127b:g:SdIAAOSwwrtZ21UP
     
    Anyway do your stop lights work OK apart from the cruise?
     
    I don't know if this may help, but I had a problem with cruise relating to the SW20 stop light switch where the stop lights worked ok but the cruise would not hold in when selected. The diagnostic said it was the switch faulty.
    I removed the switch and checked the resistance at the contacts.
    These have 4 terminals. 2 large ones for the stop light, and 2 small ones for the cruise ECU.
    The stoplight contacts checked out OK, but there was about 5 ohms resistance on the ECU contacts when they were closed that indicated what the problem was, and I hoped it was just dirt.
    My solution was to immerse the switch in WD40 for a while. Then click the switch a few times, shake it around and drain out the WD40, then leave it in the sun to dry.
    This then resulted in no resistance in the ECU terminals - looked good 
    Refitted it and everything worked fine. That was about ten years ago and it is still OK. 
    post edited by Reddtarga - 2020/05/16 18:51:56

    1990 ADM NA
    Any advice you get from me may only be worth what you paid for it.
     
     
     
     
     
    #2
    JME
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    Re: Brake Light Switch 2020/05/16 20:10:56 (permalink)
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    I'm getting an error for the switch on the cruise control diagnostic which I wasn't too bothered about as I don't use cruise very often.  However, after the last time I drove the car the brake lights stayed on so I figure I should replace the switch.
     
    I'll check the plug and if it matches I'll order the switch you identified
    #3

    Reddtarga
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    Re: Brake Light Switch 2020/05/17 08:51:57 (permalink)
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    If you have the PDF of the BGB service manual, check out adjusting the brake pedal freeplay, along with the switch mounting, in section BR.
     

    1990 ADM NA
    Any advice you get from me may only be worth what you paid for it.
     
     
     
     
     
    #4
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