RH Brake Light Does Not Work???? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

4tiresngas · 09-07-2005, 04:21 PM

Okay, at first neither brake light would come on. The running lights and blinkers work. I disconnected the stop light switch under the dash and used a jumper and the LH brake light came on. I went today and bought a new stop light switch. I'm about to go put it in. Does anyone know why the other brake light would not work. Where does the circuit split? thanks.

Longhorn Man · 09-07-2005, 05:16 PM

turn signal switch.
That's where it splits, and that's most likely where your problem is since the blinker works. That tells you that the wire and bulb and socket are all good.

67ChevyRedneck · 09-07-2005, 05:24 PM

Not trying to be a smart ass, honest, but you didn't mention checking the bulb itself, could be blown??? Don't the tail/brake lights work off of one of the fillaments and the turn signal off the other??? If it's not the aforementioned, I had a similar problem. Turns out my bulb ends and the sockets were corroded so they weren't getting a good connection. I ended up shoving sandpaper in the light socket the best I could and replaced the bulbs. They work now. I have recently purchased a set of stepside LED's from PICKMUP, but haven't had a chance to install them due to my truck being 2 hours away at a family members home. I'll post some pics someday of the lighting difference if I ever get around to it.

zeeklu · 09-07-2005, 05:29 PM

Brakes and turnsignals work off one filament and the tail lights off the other. Longhornman is probably right, the turnsignal switch is a common problem. Chris

67ChevyRedneck · 09-07-2005, 05:42 PM

Oops

I thought it was the other way around

I tried

**hilljob26** · 09-07-2005, 06:59 PM

i think eberydang truck i ever bought had a problem with that brake light,i never even thought about the turnsignal switch

Longhorn Man · 09-07-2005, 08:49 PM

My GMC gave me a hard time figuring it out. I had no brake lights, but the turn signals worked. The first YEAR of driving it was day light only... I used the parking lights when ever I hit the brakes.
Finally figured it out, and now I see the problem all the time and know where to look.

Ever noticed the Corsicas and barettas out there with the third brake lamp working, but not the 2 regular ones...then when they hit there turn signal the lights work.... ? VERY common on thiose cars.

4tiresngas · 09-07-2005, 09:14 PM

And gentlemen...the correct answer is the turn signal switch. I just sat there and played with it. I wiggled the turn signal and the brake light works. It's pretty nasty looking inside the steering column. I still have to tighten down my new stop light switch, but after that I need to clean up that turn switch assembly.

Thanks...Longhorn Man!

09-07-2005, 04:21 PM	#1
4tiresngas An American Soldier Join Date: Feb 2005 Location: Grumolo D' Abadessee, Italy Posts: 503	RH Brake Light Does Not Work???? Okay, at first neither brake light would come on. The running lights and blinkers work. I disconnected the stop light switch under the dash and used a jumper and the LH brake light came on. I went today and bought a new stop light switch. I'm about to go put it in. Does anyone know why the other brake light would not work. Where does the circuit split? thanks. __________________ Dan dan.brue@us.army.mil

09-07-2005, 05:24 PM	#3
67ChevyRedneck Hittin E-Z Street on Mud Tires Join Date: Nov 2004 Location: Greenville, SC Posts: 23,090	Not trying to be a smart ass, honest, but you didn't mention checking the bulb itself, could be blown??? Don't the tail/brake lights work off of one of the fillaments and the turn signal off the other??? If it's not the aforementioned, I had a similar problem. Turns out my bulb ends and the sockets were corroded so they weren't getting a good connection. I ended up shoving sandpaper in the light socket the best I could and replaced the bulbs. They work now. I have recently purchased a set of stepside LED's from PICKMUP, but haven't had a chance to install them due to my truck being 2 hours away at a family members home. I'll post some pics someday of the lighting difference if I ever get around to it. __________________ Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride American Born, Country by the Grace of God 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! Last edited by 67ChevyRedneck; 09-07-2005 at 05:26 PM.

09-07-2005, 05:29 PM	#4
zeeklu Registered User Join Date: Dec 1999 Location: Northwest NJ Posts: 746	Brakes and turnsignals work off one filament and the tail lights off the other. Longhornman is probably right, the turnsignal switch is a common problem. Chris Last edited by zeeklu; 09-07-2005 at 05:31 PM. Reason: Moron at the keyboard

09-07-2005, 05:42 PM	#5
67ChevyRedneck Hittin E-Z Street on Mud Tires Join Date: Nov 2004 Location: Greenville, SC Posts: 23,090	Oops I thought it was the other way around I tried __________________ Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride American Born, Country by the Grace of God 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications!

09-07-2005, 06:59 PM	#6
hilljob26 Registered User Join Date: Dec 2004 Location: Gypsum Kansas 67448 Posts: 1,681	i think eberydang truck i ever bought had a problem with that brake light,i never even thought about the turnsignal switch __________________ 21 2500hd duramax 58 apache HILLJOB GRAPHIX--for all your graphic needs My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=542497 LS ENGINE SWAP INFORMATION THREAD http://67-72chevytrucks.com/vboard/s...d.php?t=377348 4l60 to an NP205 http://67-72chevytrucks.com/vboard/s...43#post3697343

09-07-2005, 05:16 PM	#2
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	turn signal switch. That's where it splits, and that's most likely where your problem is since the blinker works. That tells you that the wire and bulb and socket are all good.

09-07-2005, 08:49 PM	#7
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	My GMC gave me a hard time figuring it out. I had no brake lights, but the turn signals worked. The first YEAR of driving it was day light only... I used the parking lights when ever I hit the brakes. Finally figured it out, and now I see the problem all the time and know where to look. Ever noticed the Corsicas and barettas out there with the third brake lamp working, but not the 2 regular ones...then when they hit there turn signal the lights work.... ? VERY common on thiose cars.

09-07-2005, 09:14 PM	#8
4tiresngas An American Soldier Join Date: Feb 2005 Location: Grumolo D' Abadessee, Italy Posts: 503	And gentlemen...the correct answer is the turn signal switch. I just sat there and played with it. I wiggled the turn signal and the brake light works. It's pretty nasty looking inside the steering column. I still have to tighten down my new stop light switch, but after that I need to clean up that turn switch assembly. Thanks...Longhorn Man! __________________ Dan dan.brue@us.army.mil

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