Q: Tail light that comes on after the lens cover is tapped

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Hi. I've been having an issue with the tail lights in my car, that occurs sporadically. There is a warning on the dash that tail light is off when I turn these lights on. It actually is off. However, the light reacts if I tap the lens cover. It then turns on and stays that way until I turn them off and back on the following time. This is not such a serious issue, I believe, but I would like to get it fixed. What do you suggest I should check? Thanks.

This sounds like you either have bulbs that are going bad, or the more likely cause is a poor connection inside on the bulb socket. Have the light that is tapped removed and check each connection for loose pins or corrosion in the connections to the light.

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