Brake lights I need to know which bulb to change. Someone help me please!!

Question edited for clarity.

That is a very old vehicle! check the earthing points on the rear light clusters. They are probably rusty.

It appears to be a known issue on that vehicle.

https://www.google.com/search?q=caprice+classic+brougham%2C+tail+lights+not+working&

..

Should be #13. See the attached diagram

Pull the bulb back out and look in the plug. They get corroded and the tabs will spread apart and/ or break off. Bend them back if they are there, replace it , if not.. If it looks good, you need to use an ohm meter and check continuity of the tabs to the wire. They usually break close to the plugs.

It coould be the brake light switch, the wiring or the bulb failure relay under the dash. You will need a test light and a wiring diagram to find the problem. If you can get someone knowledgable about cars to help you, I can send you a wiring diagram.

Hello Friend:

To change your brake light on your Car is Done from inside your Trunk, You'll need to open trunk, and on either side there is a cover on the left and right side,That will be removeable.

Just remove the cover with your Hands and it will expose your Wiring to your bulbs and you'll see a metel socket that holds your Light Bulbs, Just turn or Pull that socket out that the Wiring goes to.

Now you can remove your bad bulb and replace it with a new one.

on a Caprice you'll have 2-3 Bulbs in the Lighting assembly just have someone Push down the Brake Pedal. So you can see the Light thats not Working.

This will get your Brake Light Working. Since its only 1- Bulb thats out Eliminates that you have a Bad Brake Light Switch. If both sides are out it could be your brake light swith.

Sir I'm sure this will solve your problem,I thank you for Using FixYa
Please let me know if you solved your Problem by Voting .

Thanks Again From: d_hubbs

Try to replace stop light switch at the brake pedal.

its a warning that the light is stuck on
it could be caused by the earth or grounding is faulty may just need to remove bulb 7 put it bak in it may fix it & the warning should dissapear

Have someone apply brakes. Observe which bulb lights in the left light housing. This is the bulb you want to replace.

hello zeeko1 , over here when that happens its because someone put a single element bulb where a double element bulb goes , now this bulb you take out to fix the problem , look at the bottom of the socket see if it has 1 contact point , then look into the hole where the bulb goes , i bet you see 2 contacts , this single contact bulb is shorting out into the other circuit back feeding voltage to other circuit . cheers mate !

Thanks for using FIX YA !

Some cars have two brake switches under the dash. Try manually pushing the button on the switch while someone looks at the brake lights. It may just need adjusted. Good luck. Please rate me so I know how I'm doing. Thanks.