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I had a right turn signal / brake light that didn't want to work all the time, replaced the bulb and it worked for a day or so, then went back to inop. I finally took the light assembly off and used dental tools to scrape all the old hardened up dielectric grease out of the bulb sockets and reinstalled the bulbs. Worked fine ever since. Your multifunction switch is bad....all the power runs through the emergency flasher test turn ignition to on position then turn right or left blinker on....wedge a toothpick on either side of emergency flasher switch on the steering column.....this should make the connection and the blinker should work....If not ...then wiggle the emergency flasher switch and have someone watch to see if blinker or brake lights operate......the multifunction switch is not cheap...about $200.00....have someone who knows what they are doing install it....the multifunction switch is on the left of the steering column(originally known as the blinker lever)and operates cruise control and wipers and high beams ......

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โˆ™ 2008-02-01 22:12:24
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Q: Why won't the Turn signal or brake light work on a Tahoe?
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Related questions

How does activating the turn signal test the brake light bulb on a vehicle?

In many cases, the brake light and the turn signal use the same bulb.

What causes the tail lights not to work on a 1995 Chevy Tahoe when the turn signal and brake lights do work?

either dimmer switch or blown fuse If you are saying that the tail brake lights are working but the third brake light is not....It may be a defective turn signal switch in the steering column.

What would cause both the turn signal and brake light fuses to blow on a 2001 Ford Escape?

short circuits in the turn signal and brake light circuits

Which bulb is the turn signal in the rear tail light assembly?

the bulb with two elements in it is the turn signal and brake light bulb

How do you install an turn signal lever on 1998 Chevy Tahoe?

How do you install a turn signal switch on a 1998 Chevy Tahoe?

Why does my signal light keeps clicking after signal is turned off on '99 Chevy Tahoe?

broken turn signal switch assemblyreplace it

2001 Ranger and the Right Rear turn signal is out though the signal light is also the brake light and the brake light works?

Turn Signal Light Doesn't Work, but the Brake Light DoesMost vehicles use a single lamp [bulb] for the tail light, brake light, and turn signal functions.That lamp usually has two filaments: one serves both the tail light and brake light functions while the second filament serves the turn signal function.You description of the issue sounds like the turn signal filament is burned out, while the other filament is not.Another, but less probable cause could be that the conductor [wire] supplying electrical power to the right turn signal filament has either been cut, or corrosion has built up within one of the wiring harness connectors somewhere in that circuit. Corrosion acts to cut off the flow of electricity.

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For the front or rear turn signal?

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the turn signal switch sends current to the turn signal flasher. it then goes to the bulb. The turn signal switch will turn on the turn signal and when the brake is applied it cancels out the brake light as it is a duel element bulb. 1 element is for brake and turn and the other is for parking lights. you can not have a blinker and a constant feed to the same element of the bulb at the same time.

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Above the brake pedal. If your main brake lights dont work but your third center brake light does, then the brake light switch is not the problem. Its is the turn signal switch.

Why 99 Tahoe cruise control don't work?

check the third light and brake lights, check the fuses, if all are ok then change the multi- fuction switch aka turn signal switch.

What does it mean when the rear brake light does not work and the turn signal flashes fast?

Usually when ones turn signal is blinking fast its telling you that a turn signal bulb (and in some cases a brake light bulb) is out. If it blinks fast when you turn on the the left signal the burnt out bulb is on that side of the vehicle (could be front or rear bulb so you'll have to check). And vice versa

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Why does your left brake light burn at all times?

It could be the turn signal switch.

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the turn signal switch is located inside the steering wheel colum. you have to take it apart using a lockplate remover. the brake light switch is located just above the brake pedal

What could cause my 1989 Mercury Topaz's brake lights to not work when all the bulbs are good?

A defective brake light switch could cause the problem. Also a defective turn signal switch could also. The brake lights work through the turn signals. It cancels the brake light so that the turn signal can work.

Does the brake light and turning signal light light up at the same time?

NO brake light come on only when brake is applied the brake light is activated by a switch on brake pedal 2.Turn signal light is activated by your turn siganal lever which control a flasher that make tne light come on and off which is located around steering underdash you will reconize flasher by clicking sound silver small canister good luck

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The turn signal wiring goes up the steering column. Turn signal bulbs are also used as brake lights and the brake light signal goes through the turn signal switch. If there is a loose connection or worn wire in the steering column, the tilt would cause problems.

Why is right turn signal blinking faster than the left and right brake and rear right signal aren't working in a 2000 Dodge Neon?

More than likely you have a burnt out bulb at the front signal light, rear signal light, or brake light on the right side.

What is it when the brake lights on a 1994 Oldsmobile cutlass supreme don't work?

One of two things. Either the brake light switch behind the brake pedal. Or try wiggling or rotating your turn signal stalk in a circle motion. If the brake lights work when the turn signal stalk is wiggled then you need to replace the turn signal stalk.

Why would your left turn signal be out on a 1996 Olds Sierra?

Check bulbs - double filamented with smaller being for brake light and turn signal Bad switch? Bad turn signal flasher?

How many bulbs in the tail light assembly are turn signals and how many remain brake lights?

most modern cars have a bulb that share the duty.. the bulb has two filaments, one acts as the marker light, and the other works as a turn signal when activated, or as the brake light when the turn signal is not activated