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 High beams only
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Akya
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5 posts [100%]
Thousand Oaks California

 High beams only Reply  Edit


So I just bought a notch back 85 corolla sr5 two days ago. I love this car! Anyway only my high beams work. As far as I can tell at least. The off position is obviously off. The first mark is just interior and running lights, the second is my high beams then when I push in and go to the third it turns my headlights off. How is this dial supposed to work? I know the outer ring is the dimmer. Are my low beams just dead?

Thanks for the help!



EightysixTrueno
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18 posts [100%]
Sacramento CA

 Re: High beams only (Akya) » Reply  Edit


your high and low beams are the same as your turn signal lever push out for high pull towards you for low and the last turn for your light switch is just to keep your headlights up but not on



4AG, Yip Yip
ariel_86
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226 posts [99%]
Kaysville Ut

 Re: High beams only (EightysixTrueno) » Reply  Edit


But what if he only has driving lights & high beams, no low beams? I keep having this problem and haven't figured out why. It doesn't seem to be my headlight switch, but more like something in the wiring somewhere or the fuse block.



1985 Corolla Coupe - Autocross slut, drifter wannabe, and current DD.
Physics for your head!
~ TRD aka KF7LNI
Red




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9661 posts [78%]

 Re: High beams only (Akya) » Reply  Edit


Could be a lot of stuff but since low beams usually are used more and burn out first--take out a bulb and test it. IIRC the top center contact is common positive on the car, and each 'side' tab is one beam. The headlight switching grounds each side tab to turn on each (low/high) beam.

If it isn't the bulb you've got lots more tracing to do. Could be a corroded socket, could be internal to the headlight switch, the stalk on the steering wheel...AFAIK the high and low beams use the same fuse/breaker so that wouldn't matter.

First, check those bulbs. And if you have to replace them, consider Silverstar bulbs. Damned expensive, rarely on sale, and almost as bright as HIDs.



--Original owner, '85 Corolla GTS. Will trade for a Cadillac-Gage V150, or a Ford GT, in similar condition.
ariel_86
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226 posts [99%]
Kaysville Ut

 Re: High beams only (Red) » Reply  Edit


Bump from the dead.
Quote, originally posted by Red »
Could be a lot of stuff but since low beams usually are used more and burn out first--take out a bulb and test it. IIRC the top center contact is common positive on the car, and each 'side' tab is one beam. The headlight switching grounds each side tab to turn on each (low/high) beam.

If it isn't the bulb you've got lots more tracing to do. Could be a corroded socket, could be internal to the headlight switch, the stalk on the steering wheel...AFAIK the high and low beams use the same fuse/breaker so that wouldn't matter.


I'm still having the same issue; high beams work, low beams don't.

I have taken apart the turn signal/high beam stalk on the steering column. Everything seems to be fine there.

At the head light, with the low beams on, all three tabs have power. When the high beams are switched on, only two tabs have power.

Also, what is a good way to clean the connectors at the headlights, because they are filthy.



1985 Corolla Coupe - Autocross slut, drifter wannabe, and current DD.
Physics for your head!
~ TRD aka KF7LNI
ariel_86
Member



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226 posts [99%]
Kaysville Ut

 Re: High beams only (ariel_86) » Reply  Edit


Update!

My issue is the turn signal/bright switch. There's something bad in there where the high beam think's its on. I've tried another switch and that takes care of my headlight problem.

The part that is bad is called the Dimmer Switch and is on the back of the turn signal stalk unit. Jumping the W-B wire to the R-G wire helped me isolate the problem.



1985 Corolla Coupe - Autocross slut, drifter wannabe, and current DD.
Physics for your head!
~ TRD aka KF7LNI
 



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