My car is an old (2001) Volvo V70. It's only $13 bucks and is the predominant issue with 1997 Chevy Trucks and the brakes not working especially if you reverse and blinker lights do work. I've switched out the left bulb holder to the right side and it works on right side. If the trailer has a lot of lights the power draw could be too much for the wiring harness to handle but usually when that happens the converter box or fuse will blow. You may also have circuit boards on back of taillights and if so the circuit boards could be bad. If that does not work swapp out the shunt. I found the white wire coming from the turn signal harness broke down at the flat connector at the bottom of the steering column. Turn your flashers on to check the bulbs .Checks good go to your brake light switch mounted on upper part of the brake pedal with a simple test light you should have hot (test light on) when the brake pedal is depressed if not and the ong wire is hot (15 amp fuse in the fuse panel under dash) says STOP by it you need to replace the brake light switch. Chopperhaulers. I pushed the brake … Formally called the Chevrolet C/K, C/K is a series of trucks manufactured by General Motors and marketed under the Chevrolet and GMC brands. I got a boneyard replacement and wired it in. Thought I had done a thourough job but still no change. When the key is on they stop working. Timothy Phillips. I'm a carpenter and not a mechanic and some how figures it out on my own. So I guess it could be whatever ground for the running lights could be shorting something out? Wish me luck. So you could have a blown relay i would start there. 08/20/2020 by I replaced my brake light switch but nothing happened and all the bulbs and fuses are good. Fuses usually blow for a reason. Our "Jimmy" has developed a brake light issue in the last few days. I have a 98 suburban all my lights work but the brake lights I've checked the fuse and it's good changed the brake light switch so its good but still nothing with my brake lights its getting irritating not finding the problem, 01/15/2016 by I couldnt figure out why my light didn't work. it will most likely be beside your brake fluid assembly, in a cluster, entering the firewall. 08/06/2015 by In my 1994 Chevy s10 truck my brake lights wont turn off I just replaced the boo switch before I did that they didnt want to turn on but ya what should I do? Your vehicle’s taillights are working fine, but the brake lights don’t come on when you press the brakes. It could be a blown fuse or a problem like mine had which is the passenger tail light wire was pinched/smashed. Search Fixya. The pressure sensor is $112.00 and I could not afford it at the time, but if needed I will replace it. My break light on my cab works all my lights work i checked the main wire to break lights at the conecter no power to break lights i pulled the relay replaced it with a known good one nothing figured eather switch or short storming here so cant mess with now, 11/30/2018 by I've moved the ground around, replaced break switch, headlight switch, tail light circuit boards no luck. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). 04/28/2015 by Changed all bulbs (were ONLY 25 yrs old) -- Ck'd bulb sockets (all ok) Ck'd fuses and pedal switch - both ok. Charted all progressive actions. Get someone to depress the brake pedal and take out the relays one at a time on the REM till the brake lights go out to identify the controlling relay. brianbonner90. like others were saying its a brake switch at the top of the brake pedal. majidshaban279, I am having the same problem. What is really the problem? Any suggestions would be great! I hope you enjoy it! But, now my brake lights have completely failed. Austin L July 30, 2020 1 View 1 Answer Lincoln J answered on July 30, 2020 the 2019 volvo brake lights my stuff working due to bad wiring harness, bad fuse, or burned out bulb. I have an 07 Jeep patriot doing the same thing. Check along the run for rotted, broken or degraded wire. All the fuses and bulbs are OK. What happened? expert reply by: Michael H. 0. A good way is to measure the voltage is at the taillight when you press the brake pedal and doing the same thing at the brake pedal switch. At the taillights how many wires are on plug that goes into taillights? 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