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headlight high beam problem

Discussion in 'Diagnosis/Help' started by invinciblejets, Sep 24, 2012.

  1. invinciblejets

    invinciblejets Well-Known Member Donated!

    hi I bought a 87 celica vert about a week ago and i was driving on a dark road and went o turn on hi bams by pusig the light bar back and nothing low beams ok and i can flash my high beams and they stey on thats how i ben using them if i really have too but they wont stay on any ideas?
     
  2. ST165-2765

    ST165-2765 Well-Known Member Donated!

    You probably need to test the switch
    [​IMG]
    make sure you have continueity between pins 29 & 32 when the lever is in the high beam position
     
  3. lone wolf

    lone wolf Well-Known Member Donated!

    I have 2 spares laying around. Only shipping is a pita...
     
  4. invinciblejets

    invinciblejets Well-Known Member Donated!

    two spare what headlights or the light control switch
    ?
     
  5. lone wolf

    lone wolf Well-Known Member Donated!

    the switch have headlights as well though :) lol
     
  6. Stig

    Stig ST162 Guru Donated!

    Sounds to me like the switch is working but the relay isn't?
     
  7. invinciblejets

    invinciblejets Well-Known Member Donated!

    i think your right stig because the highbeam light comes onthe dash but lights dont and like said i can flash high beams but wont stay on
     
  8. Stig

    Stig ST162 Guru Donated!

    Don't have my books here but from memory I think the relays are in the front near the battery
     
  9. invinciblejets

    invinciblejets Well-Known Member Donated!

    what should i do wit the relay replace them ??
     
  10. st162rocket

    st162rocket Well-Known Member

    I'm having the same problem as invinciblejets. My lows work and can flash my highs, but my highs won't stay on when set by the switch. I'll try replacing the relay and see what happens...
     
  11. st162rocket

    st162rocket Well-Known Member

    Changed the headlight relay up front. Results are still the same....:sad i hope its not the wiring itself.
     
  12. Awesome-Trac

    Awesome-Trac Well-Known Member

    Symptoms were: lights would come on meaning low beam but as soon as I used hi beam it would not come on

    I had the same problem, I replaced bulbs, relay and fuses only to find out it was the switch on the steering wheel column.
     
  13. vicdat

    vicdat Well-Known Member

    Like I said before I had a similar problem on the Burpcar (pat. pending) a while back... It turned out that the wire bending back and forth for 25 years had a bit of fatigue and was a little hard to see at first ...break was right where the wire entered the socket ... Easy fix to replace std socket from JY and route and re-wrap loom...been tits grandiose ever since

    Vicdat
     
  14. ST165-2765

    ST165-2765 Well-Known Member Donated!

    if either
    - your low beams work
    - or your high beams work

    then the relay is not the problem as their is only one relay
    sending 12 volts to the headlights.

    [​IMG]

    The problem must be with the wiring or with the switch.
    If both high or low beams go out at the same time I would
    suspect the switch as the wiring normally fails at the socket
    behind the headlight so the wires at both headlight sockets
    would have to fail at the same time.

    Test your switch make sure you have continuity between
    pins 29 & 32 when you have the high beams turned on.
     
  15. 5678tyui

    5678tyui Well-Known Member Donated!

    I am experiencing this issue. That is, low beams work, high beams do not work, flash high beams do work.

    So I should test the switch? Or check the wiring? Sorry, but where? In the steering wheel or the engine bay?

    Thanks.
     
  16. MattC

    MattC Well-Known Member Donated!

    Check both at the steering column. You've donated so you should have access to the BGB files, start at BE-16. If the switch tests OK then as Vic says you need to go looking for where the wiring flexes when you put push/pull the headlights stalk to activate high beam, thats probably where the break will be.
     
  17. Stig

    Stig ST162 Guru Donated!

    Ok, this is a problem becoming more and more as they get older.
    The problem lies in the plug under the steering column - take the covers off and check out the big plugs coming from the switches, one pin will show signs of rusting or burning.
    You can either clean it or run a bypass around the plug - there is too much current flowing thru that old rusty plug.
    If you check the 162 f/b page you will find pics and a thread on this, unfortunately photobucket has screwed things for us here so most of the stuff nowdays is on f/b
     
  18. 5678tyui

    5678tyui Well-Known Member Donated!

    I'm still finding for time to work on it but I do have the relevant pages printed out from the BGB.

    Moreover, wanted to update and say thanks before I open another thread about my wipers suddenly not working. Hmm.
     

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