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Old 08-03-2014, 03:22 PM   #1
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Default Headlight problem

high beams work....NO low beams?? Any common problems with these. 1986.5
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Old 08-03-2014, 03:29 PM   #2
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Yeah, the headlight switch is a pretty common failure. It will fail in a variety of ways, one side working, low beams working, high beams working. Check the fuses first, but it's most likely the switch.
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Old 08-03-2014, 04:06 PM   #3
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Will do-is there any fixing them or just replace?
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Old 08-03-2014, 04:17 PM   #4
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There is a translucent white cover on the left side of the switch. You can pop that off and get to the contact arms. You can carefully bend the arms so that they will make contact again. The points get worn down and no longer make contact. Take the cover off and flip the switch off/on high/low and watch how it works. Then carefully adjust as needed. If you bend them too far the lights will stay on all the time.
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Old 08-03-2014, 05:12 PM   #5
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Switch should look something like this, this is out of my former sentra but they are pretty much the same:



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Old 08-03-2014, 06:49 PM   #6
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Mine got the "no lights" problem a while back - I popped the cover and sanded the contacts with 1000 grit color sanding paper. Should've seen the gunk it got off those contacts.
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Old 08-03-2014, 10:47 PM   #7
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I went through 3-4 switches in my sentra, they would work for a while than same problem would happen again, was going to buy an aftermarket switch from Rockauto than discovered the OEM switch was only a few dollars more, I figured the OEM switch lasted 19 years so it would be worth the few extra dollars, so that is what i did and no more problem.
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Old 05-17-2020, 11:30 PM   #8
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My truck is a 4x4 manual one light stays off and the other stays on while the switch is in the off position. But when I go to select the lights to go on both go on and the brights work.so I can't figure out what's going on the fuses are good contacts are good and the brake lights stay on as well
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Old 05-18-2020, 12:19 AM   #9
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Take a look inside the switch as I describe above. Sounds like one of the contacts needs to be “adjusted”. Observe how the switch works internally and you should be able to figure out what needs to be done to correct it. If not, just replace the switch.

There is a rubber stopper on the brake pedal that contacts the brake light switch when the pedal is not pressed. When the pedal is pressed the switch is allowed to close and turn the lights on. That rubber stopper has deteriorated and fallen out of the pedal. You have find some pieces of black rubber in the floor board. Replacements are readily available on most internet retail sites. https://www.amazon.com/Nissan-46512-.../dp/B00TNL826G
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