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Purpose:
Sockets provide secure connections from the wiring harness to the light bulbs. The sockets used on today’s cars also have special seals to prevent water from entering the socket and causing corrosion.
Maintenance Tips/Suggestions:
Most light bulbs in your car’s lighting system are easily replaceable. The bulbs have specific numbers that are listed in the owner’s manual, so look there for the number. To access a socket, you may have to remove a couple of screws to remove a light housing. Then, just twist the socket counterclockwise about one- quarter turn to remove it (some sockets have arrow markings showing which way to turn). Metal sockets usually unsnap from their housings. Check your owner’s manual to be sure. If you’re changing a halogen or high-intensity discharge headlight bulb, do not touch the bulb with your bare hands. Oil from your skin can cause the bulb to fail prematurely. A turn signal that flashes in one direction, but not in the other direction, usually means there’s a bad bulb on the side that does not flash. If you have a lighting problem and the bulbs and fuses seem OK, have the system diagnosed by a qualified service professional.
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