C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Aug 18, 2012 | 12:07 PM
  #1  
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ljbenton
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Default head lamp light

Hey guys, when i turn my lights on my 72 the head lamp light above the radio stays on and does turn off. Is this my head light switch going bad? Thanks
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Old Aug 18, 2012 | 01:58 PM
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Alan 71
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Hi lj,
There's a switch on each of the headlight mechanisms that's triggered when the doors are fully open, and turn the dash light off.
Some times the button on the switch isn't being pushed far enough, and sometimes the switch is not functioning.
Be careful working on it... it's plastic and very fragile.
Good Luck.
Regards,
Alan

It's in the center of this picture. It has a small button on it's side that the 'arm' pushes when the door opens fully.
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Old Aug 19, 2012 | 09:16 AM
  #3  
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ljbenton
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Default head lamp switch

Thanks Alan i will check it out.
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Old Aug 20, 2012 | 12:38 PM
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From: Austin Tx
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And to add a little to what Alan had to say.

The switches work by removing continuity when they are pressed. Continuity is also removed when a switch is not present. So, if one of the switches is broken, then removing it will allow the system to function off the remaining switch. Remove both, and the light will never come on - but if you do that, make sure the headlights are locking properly, otherwise you might get a nasty surprise if your car ever stalls while driving down a dark country road some night.
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