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Turn signals 4 way and brake lights don't work

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  • Cars & Trucks Master
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Start by checking fuses .
Most of the time the hazards are seprate form the turn signals and the brake lights .
See what lights do work with the head light switch and if the brakes work with the head lights on and how it effects the running lights and the reverse lights .You don't say what you have for a vehicle and information is critcical.
But if it wore my vehicle I would be looking at the brake switch on the pedel they are adjustable on most vehicles and could be part of the power feed to the muilty funtion switch that controls the T/S and 4 way hazards flashers

Posted on Apr 03, 2015

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Replace the hazard flasher and brake switch. No year make or model.

Posted on Apr 03, 2015

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1 Answer

Brake and tailgate sometimes works


Since tail lights are not part of the brake switch, I wouldn't think so. This sounds more like a bad fuse or some other fault. Do either of the turn signals work? Are the turn signals a part of the brake lights or are they independent?

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1997 k1500 brake lights and turn signals don't


Do you have power going into the turn signal switch from the brake switch, and then coming out to go to the lights ?

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98 chevy lumina Rear window break light works, but rear break lights don't, also right turn don't work?


I can almost 100% guaranty the turn signal switch is the problem. Power for the brake lights starts at the brake switch. power then splits from there and the third brake light gets power directly from the brake switch. Since the turn signal and the brake lights are on the same bulb power for the brake lights is routed through the turn signal switch. the switch depending on what position it is in will allow brake power or turn signal power to there respective left or right brake/turn bulbs.

If you hold your foot on the brake pedal and wiggle the turn signal and or play with the hazard switch the brake lights will almost always intermittently start to work. this will confirm a bad turn signal switch which is pretty common on GM vehicle with this style setup.

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1 Answer

I have a 2000 dodge 3500 and the brake lights and flashers don't work but turn signals do work


work on one thing at a time, brake lights first, check the brake switch, is it mounted ok ? is power geting to it ? replace if any doubt. check all fuses, replace 4-way flasher, cheap fix . a repair manual has good info, including wire diagrams, for all circuits, etc.,,.. check wir harness @ rear of truck, & along frame for damage, corrosion, etc.,.

Jan 29, 2013 | Dodge Ram 3500 Cars & Trucks

1 Answer

I have no brake lights in my '97 dodge caravan le but i have taillights


Have yoiu changed/checled the lightbulbs? (In other words,do your turn signal lights work? If the front turn signal lights work, but the rear don't, then turn on your four (4) way flashers. If the rear lights still don't work, then all the bulbs are bad. It is rare for all the bulbs to be burnt out at the same time, but it does happen.

If the turn signal/four way flasher lights work, then you probably have a bad brake light switch. However, first check your owner's manual to make certain there is not a separate fuse for these lights. If there is, then swap the fuse for the brake lights for another fuse (or relay) of the same size/amperage. (Facing the hood, the power relay box is located on the right side (usually) under the hood.)

The fuse box is located under the dash, on the driver's side of the car. Usually there is a plastic cover that has to be removed to access the underside of the dash, and then there is a plastic cover that has to be removed to access the fuse box. If you don't have an owner's manual, nprmally the fuses and power relays are normally marked on the plastic covers your remove ot access the fuses and power relays.

If the fuses/relays are good, then you have a bad brake light switch. This is located on a bracket just above the brake pedal. When you push the pedal down, the switch makes contact. Disconnect the plug to the switch, and jump across the plug contacts (not the switch) with a small piece of wire, or if a piece of insulated wire is unavailable, you can use a paperclip, you won't get schocked, just make certain that the paperclip does not come in contact with a ground while you have it plugged in to the plug for the brake light switch.

If the lights stil dont work, check for power to the plug for the brake light switch. If you have power to the plug, the turn signals and four-way flashers work, then my guess would be that you have a broken power wire (probably iside the steering column, or a bad turn signal switch. If the brake lights work whe nyou jump out the brake light switch, then the brake light switch is defective.

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1 Answer

1995 Ford f250 brake lights don't work ad neither do the hazard flashers. I replaced the flasher node and the turn signals began to work but still no brake lights.


You may have a bad signal switch..Your brake lights run through the signal switch..Try hitting the brakes and move the switch around and see if your brake lights come on intermittently..

Sep 22, 2011 | 1995 Ford F250

1 Answer

Brake lights won't work.... replaced fuse it's fine, top light on hatch works, but right and left don't


need to check the multi-function switch. the brake light signal goes through the turn signal switch on the steering column. the brake lights come on if the turn signal is not being operated. the circuit for the brake light can loose contact in the switch.

Aug 12, 2011 | 2007 Chevrolet Tahoe

1 Answer

1995 gmc K2500 left and right brake lights come on with ignition turned on. 3rd brake light comes on when you step on the brake 4 way flashers do not work. Ignition turned off 4 way flashers and brake...


I think your trouble is in the turn signall switch, just had the same trouble on my truck. Turn signall switch is about $250 because it is actually turn signalls, wipers, washers, 4 ways, and dimmer all in one.

May 12, 2010 | Cars & Trucks

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