Re: Brake Lights

[Tom Mandera <tsm1@domain.elided>]

On Mon, 29 Dec 1997 Jeffrey.Deaver@domain.elided wrote:
> brake lights is attached to the master cyclinder?  I'm used to seeing a
> system.  It is a small, sort of round thing, positioned between the fluid
> resovior and the line to the brakes with two wires running into it - one of
> which subsequently does run back to the lights.

My guess is the wire you found is the "BRAKE" dummy/idiot light on the 
dash.. BUT, on a truck that old, I don't know for sure.  Typically it's 
there to sense a difference in brake pressure = brake system leak/failure.

-Tom