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I've got a corolla 1997 with single h4 globes. Was

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  • Cars & Trucks Master
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I think you have a defective high beam headlight switch here, the circuit is doing what it should. This is the common cause on the high beams not working in the Corolla. The switch is very expensive, almost $300.00 so have the problem diagnosed by the dealer or an auto electric shop don't just throw one in there. If you do decide to replace the switch yourself you must disarm the airbag system ans remove the steering wheel to get it off.

Posted on Nov 07, 2012

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There isn't going to be additional power. How the system works is when you turn the headlights on you enguage the relay through a ground. You always have power at the relay but when you turn the headlights on, the switch supplies the ground to the relaywhich in turn "completes" the circuit so you will always have power at the red and black as you say (thought they were are dark green) below is a picture. I have marked the ground location for the low beam headlamps. That ground wire is white and black. When you switch on the high beam, the switch supplies a ground at the red and yellow wire. Not sure what your problem is as you didn't say. Are you not geting low or high beams ? Also below is a wiring diagram for the headlamp circuit. Hope this helps....

I've got a corolla 1997 with single h4 globes. Was - 11_7_2012_9_44_27_pm.jpg11_7_2012_9_45_06_pm.jpg

Posted on Nov 07, 2012

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: No Hi Beam on 93 Camry

The headlamp circuit is rather simple. From the 15 amp RH headlamp fuse, there is a red w/yellow trace that goes to the RH high beam. Out of the 15 amp LH headlamp fuse, the wire going to the LH Hi beam is solid red. Both of these wires should have power when the headlamp relay is energized. The wires from the Hi Beam bulbs going back to the switch should both be red w/black trace. The wire going from the headlamp relay to power the 2 15 amp fuses is white. The headlamp switch applies a ground to illuminate either the Lo Beams or the Hi Beams.

Posted on Sep 11, 2008

  • 1861 Answers

SOURCE: Low beam headlights don't work

I have e-mailed you 2 .pdf files, one is the complete headlamp diagram, and the other is the relay locations. Please advise if you need further assistance.

Toyota Ed

Posted on Jan 02, 2009

junmag
  • 175 Answers

SOURCE: Need Fuse Map Diagram BMW 318i 1993

check the internet for a bmw e36 ETM ( electronic troubleshooting manual) everything you need is there.

Posted on Jun 02, 2009

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SOURCE: low beams don't work - both out at the same time.

DID YOU CHECK THE BULBS?

Posted on Nov 04, 2009

Testimonial: "spot on."

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SOURCE: camry headlights not working

Have you checked out the switch itself? Seems like the problem might be there.
If the lamp bulbs are sill intact, that's probably the most likely solution. There's a possibility you have a short somewhere in the switch relay that will allow the highlights to turn on but not the low beams.

Posted on Mar 25, 2010

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