brake light on dash

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Bills70

Bills70

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my brake light on my dash is on! does any one know what sensor or sensors would cause this? my car came with out power brake! Front disc were installed before I got the car and I have installed Rear disc along with Power Brake Master Cylinder, PV and Booster! I already depressed the switch on the emergency brakes and the light stayed on!
 
Two things,
Parking Brake
Safety Switch on the distribution block


Alan
 
Check to see that the parking brake is fully released, the switch will be pressed when the brake is released.
Make sure the connector is plugged into the safety switch.
The safety switch measures a differential in pressure between the front and the rear brakes.


Alan
 
Unplug the parking brake switch, light should go out.

Do the same, unplug the safety switch and ground the connector, light should go out, if not you may have a short somewhere.


Alan
 
Last edited:
Cuda Al said:
Unplug the parking brake switch and ground the terminal (wire side), light should go out, if not the problem is in the safety switch.
Do the same, unplug the safety switch and ground the connector, light should go out, if not you may have a short somewhere.


Alan
Click to expand...
this is my park brake switch correct? but, I am not sure where is safety switch is?

DSC00250.JPG
 
Cuda Al said:
Two things,
Parking Brake
Safety Switch on the distribution block


Alan
Click to expand...
is the distribution block where the brake lines go to from master cyl. then go to front and back brakes, located below M.C and mounted to frame? if so I do not believe that I remember seeing a electric wire going to it, when I did the brake lines!
 
Middle bottom of the picture I posted is the switch.
Not sure if not being connected would cause a problem.


Alan
 
Bills70 said:
my brake light on my dash is on! does any one know what sensor or sensors would cause this? my car came with out power brake! Front disc were installed before I got the car and I have installed Rear disc along with Power Brake Master Cylinder, PV and Booster! I already depressed the switch on the emergency brakes and the light stayed on!
Click to expand...

Sometimes the distribution block switch sticks and a good hard stomp on the brake pedal can recenter it.
They can also do this when one side of the master gets low on fluid, and then not recenter after filling.
Otherwise if your brakes seem fine you can disconnect the wire to the distribution block or E brake switch and make the light go off.
It could also just need the Ebrake switch adjusted if disconnecting that wire makes the light go off.
 
Cuda Al said:
The Safety Switch is here...
View attachment 1715199814


Alan
Click to expand...
Cuda Al said:
Middle bottom of the picture I posted is the switch.
Not sure if not being connected would cause a problem.


Alan
Click to expand...
if there is suppose to be a wire on the safety switch, where does it come from or should I say go to? I am not seeing any loose wires any where in engine compartment or under dash! would that wire have been part of the new engine harness I bought? if so may be I connected a wire up wrong
 
TrailBeast said:
Sometimes the distribution block switch sticks and a good hard stomp on the brake pedal can recenter it.
They can also do this when one side of the master gets low on fluid, and then not recenter after filling.
Otherwise if your brakes seem fine you can disconnect the wire to the distribution block or E brake switch and make the light go off.
It could also just need the Ebrake switch adjusted if disconnecting that wire makes the light go off.
Click to expand...
I do not have a electric wire on my distribution block! where does the wire for it come from (engine harness)? maybe I have a wire hooked up wrong to starter relay!
 
The breakout for the Safety Switch is under the washer bottle, at least in 67 it was.
In 67 it was a violet with white stripe on it, with a connector like the fuel sender has.


Alan
 
Cuda Al said:
The breakout for the Safety Switch is under the washer bottle, at least in 67 it was.
In 67 it was a violet with white stripe on it, with a connector like the fuel sender has.


Alan
Click to expand...
Got er done ! I had the wire hooked to starter relay (for some reason) unknown! thanks for the help! Bill
 
TrailBeast said:
Sometimes the distribution block switch sticks and a good hard stomp on the brake pedal can recenter it.
They can also do this when one side of the master gets low on fluid, and then not recenter after filling.
Otherwise if your brakes seem fine you can disconnect the wire to the distribution block or E brake switch and make the light go off.
It could also just need the Ebrake switch adjusted if disconnecting that wire makes the light go off.
Click to expand...
I got er done! I had the wire hooked up to starter relay for some (unknown reason) thanks for the help, Bill
 
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