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1999 Buick Century. Right front turn signal not working . Right rear is ok. Replaced bulb. Light works, but will not flash. Tried replacing flasher, still will not work. Hazards work, but right light blinks every 15-20 seconds instead of steadily.
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Could be a wiring problem, or the turn signal switch.
You could check the wiring with a meter, and also by using the emergency flashers. Those use a different circuit from the turn signals on most cars. If the light works using the 4-way flashers, the problem is probably the turn signal switch.
You need to know if the socket has power and ground when the lamp should be flashing.
The bulb in front is somehow not getting voltage. If memory serves, that headlight assy. has a circuit board of some type, and your problem most likely lies there.
You say it's the right turn signal that is malfunctioning. If the left works correctly, then the problem is most likely NOT the flasher unit. That unit provides the flash for both left and right signals. I think that flasher unit is mounted on your steering column, down under the dash. It will probably be an aluminum cylinder, but may be a rectangular black plastic block. Before you change the flasher unit, I'd suggest checking the front and rear turn signal light bulbs. On the front, those are the parking light bulbs, and on the rear are the stop light bulbs. You may have a poor connection, probably from corrosion, or the bulb is very nearly burned out completely. Good luck.
Check and make sure both front and rear left turn signal bulb light up, if they do, replace the turn signal flasher, flasher sit under dash in fuse box, if one or both bulb don't light up, replace bulb.
replace flasher......usually located in fuse block area...listen in this area....select passenger side ...then select driver side...you can hear flasher clicking...you have seperate flashers for each...FLASHERS are small cubes plugged into fuse block....probable bad driverside flasher
Remove the bulbs one at a time and check for dirt and corrosion at the contacs inside the sockets.The corrosion will cause higher than normal resistence and will make the signal to flash rapidly.As this only happens to the right side only check the right side.
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