the bulbs used are 2-in-1 high-low beam bulbs if your high beam isn't working try rewplacing the bulb if that doesn't do it check the wiring or your fuses
The daytime run lamps are your high beam bulbs with a module that cuts the amount of amperage that just dims the bulbs. Just change high beam bulb.
If there is one bulb per side the bulb has two filaments in it - one high and one low. If there are two headlight bulbs per side each bulb has one filament - one is low, one is high. The easiest way to check is to look at the bulbs with the low beam, then with the high beam on. Note which lights are on and their location.
Camry 1999 has only on bulb for both low and high beams.
Because there are two light bulbs and the low beam bulb is burned out
The filaments inside bulbs are different wattages. It is best to replace the dead bulb.
you only need two bulbs as each bulb has high and low.
If you mean that you don't have headlights, yet your high beams are functioning. Some cars use separate bulbs for high beam and low beam, and others have s single bulb with dual filaments. In either case, the bulb may need to be replaced. If the bulbs are operating correctly, other possibilities are the fuse, switch or wiring to the low beam bulbs.
The 2002 Chevrolet Impala LS uses HIR1 (9011) bulbs for its low beam headlights and H1 bulbs for its high beam headlights. It is recommended to consult the vehicle's manual or a professional technician for the correct replacement bulb.
High and Low Beam Headlight - 9007Fog Lights - H3Boslla offers high-performance Led headlight bulbs for these bulb sizes.
Typically the low and high beam are H7 bulbs. The day time running light (DRL) bulb is a P21W bulb (1156 is an acceptable substitute).
The low beam and the high beam may be two separate lights. The low beam and high beams are two separate bulbs. The lows are bulb # 9006 and the highs are bulb # 9005. If you only replaced one the other could be blown. If that isn't the problem then the switch on the steering column could be bad or so could the wiring but it is most likely the bulb.