Posts Tagged: Headlight doesn’t work
Headlight doesn’t work with new bulb
Headlight doesn’t work with new bulb What causes a headlight doesn’t work condition? If your headlight doesn’t work with a new bulb, there are five possible causes: Blown fuse Damaged headlight connector or wiring harness issue Inoperative headlight relay (if equipped) or faulty junction box Faulty headlight switch Body control module issue Step 1 Check for power and ground in the headlight connector Set your meter to DC volts. Turn on the low beams. On a 2-terminal connector, connect the probes the two terminals. If power and ground present, your … Read More
Headlights don’t work
Headlights don’t work “Headlights don’t work” is a common question is auto forums. Or, people wonder why one headlight works but the other doesn’t. How headlight systems are designed Headlight switch switches power In older vehicles, the headlight switch is what switches power to the headlights. Depending on the year, make, and model, the headlight fuses can be located before the headlight switch or between the headlight switch and the headlights. Headlight switch operates headlight relay In other vehicles, the headlight switch is used to operate a headlight relay. It’s … Read More