Headlight & Tail Light Guides
Practical info to help you make the right call on your repair. No fluff.
How Much Does a Headlight Replacement Cost?
Real price ranges for DIY vs. shop installation. What to expect for your vehicle.
How to Replace a Headlight (Step by Step)
Most people can do this in under an hour with basic tools. Here's exactly how.
Driving With a Broken Headlight? Know the Laws
State laws, fix it tickets, and how fast you actually need to get it fixed.
OEM vs Aftermarket Headlights: What's the Difference?
When to spend more on OEM and when aftermarket is the smarter choice.
How to Fix Foggy, Yellow Headlights
DIY methods that actually work, plus when it's time to just replace them.
Where to Buy Headlights Online: 7 Retailers Compared
RockAuto, AutoZone, Advance Auto, and more. Prices, shipping, and what to watch out for.
Headlight Bulb vs Assembly: Which One Do You Actually Need?
Not sure if you need a bulb or the whole housing? Here's how to tell.
How Much Does a Tail Light Replacement Cost?
DIY runs $20 to $150. Shop runs $80 to $300. Here's the full breakdown.
How to Replace a Tail Light (Step by Step)
Even easier than headlights. Most people finish in under 30 minutes.
Should You Replace Both Headlights at the Same Time?
One died. Should you do both? Usually yes. Here's why.
Tail Light Bulb Types: How to Find the Right One
3157, 7443, 1157... what do these numbers mean? Here's the quick guide.
Driving With a Broken Tail Light? Know the Fines
State laws, fines, fix it tickets, and how fast you need to get it fixed.
LED Headlight Conversion: What to Know Before You Buy
Drop-in bulbs vs full assemblies, legality, and what actually works.
Headlight Not Working? How to Figure Out Why
It's usually the bulb. But not always. Here's how to diagnose it.
Tail Light Not Working? How to Find the Problem
Brake light, running light, or turn signal out? Here's where to start.
Moisture Inside Your Headlight? Here's What to Do
Condensation vs leak, DIY fixes, and when it's time to replace.
How to Aim Your Headlights
The wall test method takes 20 minutes. No special tools needed.
Is Headlight or Tail Light Tint Legal?
Smoked lights look great, but legality is complicated. Here's the deal.
Headlight Bulb Size Guide: How to Find the Right Bulb
H11, 9005, 9006, H7, H13... what do these numbers mean? Here's the cheat sheet.
Headlight Keeps Burning Out? Here's Why (and How to Stop It)
If you're replacing bulbs every few months, something else is going on.
H11 vs 9005 vs 9006: What's the Difference?
The three most common headlight bulbs. Here's which one your car needs.
Turn Signal Not Working? Here's How to Fix It
Fast blink, no blink, or won't cancel? Here's how to diagnose and fix it.
Halogen vs HID vs LED Headlights: Which Is Best?
Three headlight technologies, each with real trade-offs. Here's an honest comparison.
Headlight Flickering? Here's What's Causing It
Flickering headlights are annoying and can signal a bigger problem. Here are the most common causes and how to fix each one.
Cracked Tail Light? How to Fix or Replace It
Got a cracked tail light lens? Here are your options, from a quick tape fix to a full replacement.
Projector vs Reflector Headlights: Which Does Your Car Have?
They look different, work differently, and aren't interchangeable. Here's how to tell which type you have.
Daytime Running Light Not Working? How to Fix It
One or both DRLs out? Here's how to figure out if it's the bulb, fuse, relay, or module.
Headlight Assembly Won't Fit? Common Fitment Problems and Fixes
New headlight doesn't line up? Here are the most common fitment issues and how to fix them.
Reverse Light Not Working? Here's How to Fix It
One or both backup lights out? Here's how to diagnose the bulb, fuse, switch, or wiring.
Brake Light Not Working? Here's How to Fix It
Brake light out? Here's how to tell if it's the bulb, fuse, or brake light switch.
License Plate Light Not Working? Here's How to Fix It
Plate light burned out? It's a five minute fix, but ignoring it is a ticket magnet. Here's what to check.
Fog Light Not Working? Here's How to Fix It
One or both fog lights out? It's usually the bulb, fuse, or switch. Here's how to diagnose and fix it.
Brake Lights Stay On? Here's What's Wrong
Brake lights stuck on will drain your battery and confuse drivers behind you. It's usually a $5 fix.
How to Replace a Brake Light Bulb (Step by Step)
One of the easiest car repairs you'll ever do. No tools needed on most vehicles. Ten minutes and a $5 bulb.
How to Replace a Turn Signal Bulb (Step by Step)
A burned out turn signal is a ticket waiting to happen. Here's the 15 minute fix with a bulb that costs less than lunch.
How to Replace a Fog Light Bulb (Step by Step)
Fog light burned out? It's a 15 to 30 minute job on most vehicles. Just a bulb and maybe a screwdriver.
How to Replace a Reverse Light Bulb (Step by Step)
Backup light out? This is one of the easiest bulb swaps on your car. About 15 minutes, no special tools, and the bulb costs less than a coffee.
How to Replace a License Plate Light (Step by Step)
Plate light burned out? It might be the easiest bulb swap on your car. Under 10 minutes, no tools on most vehicles, and the bulb costs a couple bucks.
How to Replace a Parking Light Bulb (Step by Step)
Parking light out? It's a 15 minute job with a couple basic tools and a bulb that costs less than a coffee. Here's exactly how.
How to Replace a Daytime Running Light Bulb (Step by Step)
DRL burned out? On most vehicles it's a 20 minute fix. Sometimes it's the same bulb as your headlight. Here's how to tell and how to swap it.
How to Replace a Side Marker Light (Step by Step)
Side marker burned out? It's a 15 minute fix with a screwdriver and a bulb that costs a few bucks. Here's exactly how to do it.
How to Replace a Third Brake Light (Step by Step)
Center brake light out? It's a ticketable offense and usually a 15 minute fix. Here's the full walkthrough for cars, trucks, and SUVs.
How to Replace a Corner Light (Step by Step)
Corner light burned out? On most vehicles it pops out from the front with a screwdriver. About 20 minutes and a cheap bulb. Here's how.
How to Replace a Dome Light (Step by Step)
Dome light burned out? Pop the cover, swap the bulb, snap it back. Under 10 minutes, no tools needed on most vehicles, and the bulb costs a couple bucks.
How to Replace a Cargo Light (Step by Step)
Cargo light burned out in your truck or SUV? Most replace in under 20 minutes with a trim tool and a new bulb. Here's the full walkthrough.
How to Replace a Corner Light (Step by Step)
Corner light burned out? On most vehicles it pops out from the front with a screwdriver. About 20 minutes and a cheap bulb. Here's how.
How to Replace a Third Brake Light (Step by Step)
Center brake light out? It's a ticketable offense and usually a 15 minute fix. Here's the full walkthrough for cars, trucks, and SUVs.
How to Replace a Map Light (Step by Step)
Map light burned out over the front seats? Usually a trim tool and a cheap bulb is all you need. Here's how to get it done in about 10 minutes.
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