So if in doubt, check all your fuses!! Didn't know if there was a fuse just for the upper light. Sign Up Forgot Your Password? News Gallery Calendar Store Product Store Premium Subscriptions Tools RPO Code Lookup More GM-Trucks.com → Fullsize Truck & SUV - 1999-2013 GMT800 & GMT900 Platforms → 1999-2006 & 2007-2013 Chevrolet Silverado http://dragonplayer.net/brake-light/brake-lights-not-working-on-2005-trailblazer.php
Several functions may not work. But the two brake lights in the tails are working just fine. If it lights up, then I know for sure its a wiring or fuse problem. Jan 9, 2012 at 10:00 PM #5 Rivieraracing Full Access Member Age: 40 Posts: 3,748 Likes Received: 23 Joined: May 2, 2009 Location: Oregon Name: Chris That probe sounds awesome, I'm
GM-Trucks.com @ SEMA 2016 -Video Walk Through of Chevy Booth -Silverado Carhartt Concept -Silverado Alaskan Concept -Colorado Race Support Concept -Chevy launches new Crate Engine Lineup -Silverado High Desert Concept -Trax It took the chevy tech 45 minutes of checking everything else including all the fuses labeled for the brake light to finally find a different fuse not referenced to the light If it is LEDs, I need to find out if the light is definitely bad or if I have a wiring problem. lol Jan 9, 2012 at 10:09 PM #6 ScottyBoy Full Access Member Posts: 1,431
If it isnt, I can press a button on the tester to apply 12volts to the light. 2005 Chevy Tahoe 3rd Brake Light Replacement I didn't get a chance to look at it yet. heres the cheapest i found.
Name: Sead if your wiring is fine and your going to purchase a new light.
It's a PowerProbe III. 2002 Tahoe Third Brake Light Fuse As for the fuse, I had the problem after I had a brake controller installed at our chevy dealership and shortly after that I noticed that the brake light wasn't working Jan 9, 2012 at 9:44 PM #2 Rivieraracing Full Access Member Age: 40 Posts: 3,748 Likes Received: 23 Joined: May 2, 2009 Location: Oregon Name: Chris It is an LED light, If I am getting power, and the light still doesn't light up when I try and power it with the test probe, then I know for sure the light is bad.
Open hatch and see rubber gasket , but not sure how to get inside. https://www.carcarekiosk.com/video/2005_GMC_Yukon_SLT_5.3L_V8/lights/center_brake_light He was soo pissed when he found it because he looked like a fool because I was standing next to him the whole time!! 2005 Tahoe Third Brake Light Fuse Log in or Sign up Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum Forums > 2000 - 2006 Tahoe/Yukon/Escalade Models > Exterior Tahoe Third Brake Light Not Working Can't remember which fuse it was but it was in the fuse box in the truck by the drivers door and the fuse didn't say anything about the 3rd brake light
Is there a light bulb in there or is it LEDs? More about the author I want!! This means that you cannot reply to this topic. 10 replies to this topic #1 dawgfan dawgfan Enthusiast Member 69 posts Location:Alabama Gender:Male Drives:99 GMC Sierra 1500 Posted 04 June 2008 Page 1 of 4 1 2 3 4 Next > Jan 9, 2012 at 9:16 PM #1 ScottyBoy Full Access Member Posts: 1,431 Likes Received: 21 Joined: Jun 27, 2010 Location: 2003 Chevy Tahoe Third Brake Light Fuse
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I have a badass testlight. Dorman 923-203 I was planning on pulling that out to confirm whether or not the wire was getting power when the pedal was pressed. I will check into that tomorrow when I get off work.
If it doesn't work, go through ALL your fuses because I had a fuse out some years ago that knocked out the 3rd brake light and my cruise control.