CB7Tuner Forums

Go Back   CB7Tuner Forums > Beginner forum -- New members post here! > Beginner Technical/Performance

Reply
 
Thread Tools Rate Thread Display Modes
Old 04-05-2016, 07:04 PM   #1
liltwoll
Newcomer
 
Join Date: Feb 2016
Posts: 5
liltwoll is cool... so far.
Brake light always on unless clutch is pressed

Hello cb7tuner users! This is my first post on this great site, looking for some help. I have a 1990 accord coupe 5spd, for some reason the brake light is always on! I'm 99% sure its not the e-brake sensor, and its linked to the clutch somehow. If the car is on the brake light on the dash is always on. Once the clutch is pressed all the way in it goes off, but once kicked out it comes back on. Has anyone experienced this before? Any solutions?

Thanks!!!
liltwoll is offline   Reply With Quote
Old 04-05-2016, 08:04 PM   #2
sonikaccord
Contributing Member
 
Join Date: Nov 2005
Location: In Traffic
Posts: 4,146
sonikaccord seems to have made some friends!
Welcome!!

Did you check your brake fluid level?
Nothing happens when you engage/disengage the ebrake?

Look under the dash, near the clutch interlock switch and see if you see anything out of place with the wires.
__________________
sonikaccord is offline   Reply With Quote
Old 04-06-2016, 01:09 PM   #3
deevergote
Don't call me dude.
 
Join Date: Aug 2003
Location: Not New York
Posts: 40,096
deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool...
Send a message via AIM to deevergote
The brake light and the clutch pedal should not share any common circuitry, to my knowledge. In fact, I don't believe the clutch pedal has any connection to the gauge cluster whatsoever! Sounds like some wires might be damaged. You might just have to roll up your sleeves and go digging. Removing the dash may be necessary (annoying, but not difficult.)

I'd start by inspecting the wires at the clutch pedal and behind the gauge cluster. Then look up the gauge cluster pinout to see which wires go to the brake light. Test for voltage while pressing the clutch pedal to see exactly which wire does something. Once you find the wire that's responding to the clutch pedal, you can just trace it to see where it's been damaged.
__________________






deevergote is offline   Reply With Quote
Old 04-11-2016, 02:24 PM   #4
ukemike
CB7tuner Member
 
Join Date: Feb 2015
Location: Marin County, CA
Posts: 182
ukemike is cool... so far.
The brakes lights are controlled by a switch under the steering column. When the brake pedal is up the brake pedal arm touches the switch and turns off the lights. In cars as old as these it is not unusual to see some flex in assemblies like this. It is likely that when you have the clutch in, the torque from the pedal moves the assembly just enough to push the switch into the brake pedal arm.

The switch position can easily be adjusted, but some contortionism is involved to get there. There is a doubled nut holding the switch in place. Loosen the locking nut and then you can twist the whole switch assembly so it pushes the switch toward the front of the car. I would do one full turn and then test the lights. Then do another.

How do I know all this? We got black flagged at our last race because our brake lights weren't going off. We had to figure it out and fix it fast. In our totally stripped interior it took about 7 minutes to fix. In my Fit at home I would be impressed if I could fix it in two hours. Still, if you can reach it, it is an easy adjustment.
ukemike is offline   Reply With Quote
Old 04-11-2016, 02:26 PM   #5
deevergote
Don't call me dude.
 
Join Date: Aug 2003
Location: Not New York
Posts: 40,096
deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool... deevergote . You'll never be this cool...
Send a message via AIM to deevergote
I think he means the "brake" light in the dash cluster.
__________________






deevergote is offline   Reply With Quote
Reply

Tags
1990 , accord , brake light , clutch , e brake

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 12:50 PM.


Powered by vBulletin® Version 3.7.1
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.