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How to Replace a Turn Signal Bulb (Front and Rear)
Replace a front or rear turn signal bulb step by step: find the bulb type, reach the socket, swap and test. Includes fast-blink fixes.
Installation & Fitment
Buyer Guides
What Headlight Bulb Do I Need? 4 Ways to Find Your Bulb Size
Not sure what headlight bulb you need? Check the manual, read the old bulb, use a bulb finder or ask a dealer. Includes bulb aliases and beam types.
Specs & Comparisons
194 vs 168 Bulb: Are They Interchangeable?
Yes, 194 and 168 bulbs share the T10 wedge base and usually swap, but the 168 is brighter. See where each fits and what to check for LED swaps.
Installation & Fitment
How to Turn On Fog Lights (and What the Fog Light Symbol Means)
To turn on fog lights, switch on your low beams, then press the fog light button or turn the stalk collar to the fog symbol. Steps and fixes inside.
Installation & Fitment
How to Replace a License Plate Light (Bulb and Housing)
Replace a license plate light in minutes: find the bulb type, remove the lens, swap the bulb or housing and test. Includes LED polarity and fixes.
Specs & Comparisons
Brake Lights vs Tail Lights: Are They the Same?
Brake lights vs tail lights: tail lights mark the car with the headlights on; brake lights are brighter and light when braking. How to tell them apart.
Specs & Comparisons
High Beam vs Low Beam: What Is the Difference?
High beam vs low beam: high beams light the road far ahead, low beams avoid glare. See the differences, when to switch and how the bulbs and sockets work.
Lighting FAQs
Why Are My Brake Lights Staying On? Causes and Fixes
Brake lights staying on is usually a worn brake switch, a stuck pedal or a wiring fault. Learn the causes, a step-by-step check and when to see a mechanic.
auto Blog, Buyer Guides
H1 LED Bulbs: Single-Beam Fit for Projector and Reflector Lamps
H1 LED bulb guide for distributors: single-beam fit in reflector and projector lamps, listed lumens, power and voltage for 9 TUHO models, wiring and heat.
auto Blog, Lighting FAQs
Is H4 the Same as 9003? LED Replacement Explained
Is H4 the same as 9003? Learn how H4, 9003 and HB2 relate, what sources disagree on, and what to check before selling an H4 LED bulb as a 9003 fit.
