Can a Small Hole Be Drilled for Water in the Taillight?

[DelGabriel]

Can a small hole be drilled for water in the taillight? Here are specific details about car taillights: Types: Car taillights include turn signals, brake lights, position lights, rear fog lights, reverse lights, and parking lights. Some car models on the market also combine brake lights and position lights. Bulb types: There are mainly three types of bulbs, namely halogen car bulbs, HID car bulbs, and the newer LED car bulbs. When these three types of lights are in working condition, their power is basically 21W, and when in position light mode, the power is basically 5W.

[DelHope]

Drilling a small hole in a waterlogged taillight is not a wise move, and as an experienced mechanic who has worked on numerous cars, I can tell you why. While it might seem like a quick fix to let the water drain, it completely compromises the taillight's sealed design. This actually makes it easier for moisture to enter and accumulate inside, potentially leading to electrical shorts or even fire hazards. Moreover, the primary cause of water in taillights is usually aged or deformed sealing gaskets. Drilling holes also invites dust and debris to accumulate inside, making cleanup even more difficult. If you need an immediate solution, I recommend removing the taillight, thoroughly drying the interior with a hairdryer, and inspecting the gasket for cracks or looseness. A bit of silicone sealant can often solve the problem. DIY repairs can save money and hassle, but safety comes first—avoid reckless drilling. For long-term care, regularly inspect lighting components during maintenance and check for water seepage after car washes. Prevention is always better than repair.

[AubreeAnn]

Drill a hole? Don't even think about it—I tried that last time and nearly caused a disaster. Water ingress in taillights commonly occurs after rain or car washes. Drilling holes would allow more moisture and dirt to enter, potentially short-circuiting the wiring and causing dangerous flickering lights while driving. The root cause is usually a damaged or improperly installed gasket—minor fixes won't solve the core issue. A simple DIY solution: unplug the taillight connector, carefully dry the bulb and lens area, then replace the gasket or apply some waterproof sealant. If that doesn't work, spending a little money at a repair shop for a quick fix is far safer than risky drilling. Park away from waterlogged areas routinely and regularly clean rear-end dust to prevent such issues.

[BradyAnn]

Never drill small holes. Drilling holes in waterlogged taillights amplifies risks: trapped moisture can cause short circuits or corrode components, potentially compromising driving safety in severe cases. The correct approach is to immediately dry the interior and inspect/seal any defects. Preventive measures like regular cleaning can reduce water ingress probability.