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Has the vehicle been in an accident on the left rear side. First check the bulb to be sure it is not defective, trade it out with the side that works properly to test. If the bulb works well then My thought are you may have a shorted wire. The turn signal flasher works by heat build up within the flasher the heat is caused by the load of the bulbs, the load heats the metal spring causing it to open the circuit then as quickly as it cools down the circuit closes again lighting the bulbs.
There is also a possibility of a defect in the turn signal mechanism on the steering column. The turn signal switch on many models does three different things on many models that use the same bulb element / or bulb for brake and turn on rear of vehicle. It controls the circuit for brake light by sending power both left and right side rear when turn signal is in neutral position then when turn signal is in left turn the switch cancels brake light power to left side rear and supplies flasher power to left side while maintaining brake light supply to the right side rear, and so on opposite when the right turn is chosen on turn signal switch. The turn signal indicators on the dash normally run off the same circuit as front turn signal bulb only which is also controlled by turn signal switch. Front has turn signals but no brake light.
I think there is an additional load on the left side rear turn circuit and it could be either a wire that is shorted or the turn signal switch if the same bulb element is used for both functions.
Often times if trailer lighting is connected the flasher will also blink a little faster because of the extra load of additional bulbs.
it's the grounds if they're both flashing fast it's definitely grounds take a test light and see if its got power goes through the test light grounded to the frame and if the light comes on then it's definitely your grounds
Replace the turn signal switch. Bad contact inside causing a crossing of the circuits. When the turn signal is applied it should open the brake light circuit allowing for just the signal to work. Doesn't sound like the switch is doing it's job.
Hello. The symptoms you are describing are likely due to a poor ground. Temporarily install a new ground wire by securing a piece of copper wire to the frame with a self tapping screw. Use this ground wire along with the hot wire to see if each of these lights works. If it does, trace the ground wire back to the frame, unscrew it and clean up the metal with emery cloth so you reestablish a good ground.
The bulbs on these cars can be delicate. Some get replaced every year or so-( headlights, tail and brake) and some I've never touched in 8 years (my front turn signals and marker lights)
The fast blinking occurance is normal when a turn signal bulb goes out.
The rear lights are common to blow, I keep spares in the glovebox.
Make sure you were given the correct bulb, check to see that it works and isn't defective. Also there is an empty spot in the rear bulb holder- make sure you didn't mistakenly pop a bulb in there cause' it won't work.
The front right signal light is in the right headlight housing. Open the hood and on the back of the housing there are two plastic caps. One is curved and one is rectangular- you want to take off the rectangular one.
Open the drivers door and on the side of the dash there's a cover. This is the main fuse block. Use a coin or carefully with a screwdriver pry it open. To check a fuse pull it out, noting exactly where it came from, and visually inspect it to see if it is blown.
Fuse # 2- turn signal system
Fuse #4- License plate lights
Fuse #7- back up lights
Fuse #13- brake lights
Fuse #22- parking and side marker lights, right
Fuse #23- parking and side marker lights, left
The turn signal flasher is integrated into the hazzard button in the center of the dash. If all else is good and you suspect the flasher is bad, which is a good possibility, call a VW dealer and have them run your VIN# to check for recalls. The hazzard switch for some cars around your year had a recall on em'.
Rear lights are double filament bulbs one side for the lights other side for the brake/turn signals so it still may be a bulb. Do u have a test light or volt meter you can check to make sure u have power there when brakes or turn signals are activated. Or just try another bulb.
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