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Old Aug 5, 2019 | 08:17 AM
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Default C5 headlights

About two years ago I replaced both headlight mechanisms. Lately when I start the car at night the driver side headlamp does not open, the light is working. After awhile it will open and the car has been shut off and restarted....is there a relay involved with these pop up headlamps?
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Old Aug 5, 2019 | 09:44 AM
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Very common problem. Are all your bump stops there? Try “loosening” the manual wheel slightly on the back of the motor.
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Old Aug 5, 2019 | 11:52 PM
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Moved to C5 Tech.
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Old Aug 6, 2019 | 07:31 AM
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I had the same problem with my C5. I changed out the multi-function switch and never had the problem again.
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Old Aug 6, 2019 | 08:50 AM
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So where is this switch located?
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Old Aug 6, 2019 | 09:31 AM
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There are a couple of good videos on youtube that will show you what's happened as well as how to fix it. I'd advise buying the brass gear and being done with it forever. just did one two weeks ago. Not a bad job. 30 minutes +/-10minutes. Best of luck
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Old Aug 6, 2019 | 09:56 AM
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The gear is not the problem...thanks for your response, though.
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Old Aug 6, 2019 | 10:48 AM
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Multi function switch is not the problem since the passenger side is fine. If the switch was bad, both headlights wouldn’t go up.
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Old Aug 6, 2019 | 01:22 PM
  #9  
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STRMLNE - you are right on target....I would not replace that switch (which is a cumbersome move) for one headlamp not working. That doesn't/did not make sense to me either. Thank you
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Old Aug 6, 2019 | 01:52 PM
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I’ve dealt with your issue for way too long. Finally I had rodney Dickman or dickham bump stops installed (the other ones sold online just break. They are made of crappy material). Drivers side didn’t come up for me and I just slightly backed off the manual wheel and it has been good since. It was explained to me that the motor can over torque itself which causes the problem. Loosening it slightly will relieve that tension and for me it has been good since.
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Old Aug 6, 2019 | 06:10 PM
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Thank you sir...I will try that.
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