Can Car Bulbs Be Used in Motorcycles?

1 Answers
LaIan
07/29/25 5:46pm
Car bulbs can be used in motorcycles. Here are the relevant details: 1. Same Power: The H4 bulbs for cars and motorcycles (motorcycles generally use HS1, which is basically the same as H4) are essentially the same. As long as the power is the same, they can be used interchangeably. However, car bulbs typically have higher power than motorcycle bulbs, so motorcycles generally cannot directly use car H4 bulbs. Otherwise, it may lead to battery drain, excessive power and heat, which can damage the lamp cover, reflector bowl, or burn out the wiring and switches. 2. Wiring Harness: Usually made of flame-retardant materials, the wiring harness increases the cross-sectional area of the power cable to enhance current flow capacity, ensuring the normal operation of HID xenon lamps. Some H4 model xenon lamps come with relay wiring harnesses for operational control.
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