How to troubleshoot headlights on a Ford Ranger?

How to troubleshoot headlights on a Ford Ranger?

Replace the relays if they are bad or if you’ve eliminated all other possible problems. Most Ford Rangers contain two headlight relays: one for the high-beam and one for the low-beam. Use your engine-bay fuse box as a guide; relay type and location will depend on the year model and engine size.

Why are my headlights not working in high beam?

If just one bulb fails to work in either high beam mode or low beam mode, it may be the bulb. Most headlight failures that are limited to just high or low beams are related to a relay or the high beam control switch.

What to do when both head lights stop working at the same time?

When that happens, the operational lifespan of your headlight capsule will be severely compromised, and the only fix is to replace the headlight assembly. When both headlights stop working at the same time, the bulbs usually aren’t at fault.

How to troubleshoot headlight bulbs on a Ford?

Remove the bulb sockets from the rear of your headlight assembly and inspect their filament. If the bulb is bad, the filament will be broken; if it’s good, the filament will be connected. Check your high-beam and low-beam bulbs. Replace the bulbs if necessary.

Why are the headlights on my Ford Ranger not working?

Check your headlight operation. Crank the engine, turn on the headlights and stand in front of your Ranger to determine which headlights are nonfunctional. If your headlights work but flicker, you likely have a faulty headlight switch or a wiring problem.

Why are my high beam headlights not working?

If only one of your headlights is nonfunctional, you probably have a faulty bulb or relay. Turn on your high-beam (“bright lights”) headlights to check their operation. If they work but your low-beams do not (or vice versa), you probably have a faulty bulb or relay.

How do you fix a bad headlight switch?

Troubleshoot your headlight problems through the process of elimination. Check your headlight operation. Crank the engine, turn on the headlights and stand in front of your Ranger to determine which headlights are nonfunctional. If your headlights work but flicker, you likely have a faulty headlight switch or a wiring problem.

How many headlight relays does a Ford Ranger have?

Most Ford Rangers contain two headlight relays: one for the high-beam and one for the low-beam. Use your engine-bay fuse box as a guide; relay type and location will depend on the year model and engine size.