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Unread 05-23-2013, 09:59 PM   #1
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Question ***HELP***Head lights go out with high beam

Everytime I switch on my high beams my headlights go completely out. I've changed the bulbs for both but still having this same problem. Any suggestions would be appreciated. My car is a '97 Mazda Miata.

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Unread 05-23-2013, 10:02 PM   #2
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The headlight switch could be a problem. The switch may feel like it's changing properly but the switch contacts may be no good.

I'd have to look at a wiring schematic to make a better guess. I'll see what I can do right now.

Daytime running lights?
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Unread 05-23-2013, 10:15 PM   #3
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You obviously have power going into the switch for the low beams to work.

Bottom of the headlight switch in the pic, 2 wires out, one low beam, one high beam.
You need to check for power at the red & white wire coming out of the switch, that's the output for high beam.

If you have no power there when switched to high beam the switch is no good. If you do have power there then the circuit is broken between the switch and the head lights.
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Unread 05-24-2013, 01:22 AM   #4
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Hang on most vehicles turn low's off when highs come on. Not all but many do. First are you sure this isn't normal?
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Unread 05-24-2013, 01:25 AM   #5
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Matter fact you can clearly see in the diagram Mr Car Guy posted the Highs and lows can not power at the same time unless your just tapping the passing switch. If they are clicked on then the lows go off. They probably designed it that way so people don't just cruise with the highs on.
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Unread 05-24-2013, 01:28 AM   #6
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Quote:
Originally Posted by lautinjr View Post
Hang on most vehicles turn low's off when highs come on. Not all but many do. First are you sure this isn't normal?
Quote:
Originally Posted by rlew1 View Post
Everytime I switch on my high beams my headlights go completely out.
Doesn't sound like that is the case here. No mention of "low beams", just headlights, so I'm assuming no lights at all.

Going by the schematic their is no reason for any lights to go out by switching beams.

We'll see what the OP has to say.
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Unread 05-24-2013, 09:36 AM   #7
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Quote:
Originally Posted by Mr Car Guy View Post
Doesn't sound like that is the case here. No mention of "low beams", just headlights, so I'm assuming no lights at all.

Going by the schematic their is no reason for any lights to go out by switching beams.

We'll see what the OP has to say.
You may be correct I may have read that wrong.
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