Headlight/high beam question - 1967 - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

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Old Apr 30th, 14, 9:17 PM Thread Starter
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Join Date: Apr 2014
Location: Ca. USA
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Headlight/high beam question - 1967

Got a question for those more inclined individuals out there, on my '67, my headlight work perfectly until I hit the high beams at which point the high beams come on as they should but drivers side normal headlight turns off. Any idea what could be causing this? Thanks in advance!
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Old Apr 30th, 14, 9:36 PM
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Re: Headlight/high beam question - 1967

You may simply need to replace the outer ( closest to fender) bulb.

The outers have (2) filaments, one for hi and one for low. If the hi filament is burned out, it would make the bulb "dead" only when HI's are activated.

To verify, take a test light and probe the light green wire on the suspect bulb, if it has 12 volts when HIs are activated and the ground is good, it's a bulb issue OR a dirty socket.

-If you don't stand for something, you'll fall for anything.
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Old Apr 30th, 14, 9:54 PM Thread Starter
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Re: Headlight/high beam question - 1967

Awesome! Thanks a ton, I had no idea there were two different bulbs within the normal headlight.
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