Depending on year and cruise control there is also some interface with the starter circuit, brake lights, alternator circuits etc. If a starter helper relay was added or LED brake light bulbs one of those changes could be the problem. 

Dennis

-----Original Message-----
From: OlRivrRat [mailto:OlRivrRat@Comcast.net] 
Sent: Saturday, May 18, 2019 11:10 AM
To: vanagon List <vanagon@GERRY.VANAGON.COM>
Cc: Dennis Haynes <d23haynes57@HOTMAIL.COM>; David Beierl <dbeierl@GMAIL.COM>
Subject: 1987 Vanagon Brake Light Warning Issue

        Brake Light Warning Light won't turn off ~ Have checked switch under E'Brake Handle

& it seems to be functioning properly & Switch on Fluid Res' & Fluid Level are Good & from what

can be seen of Brake Light Switches without removing Inst'Cluster the Connectors are in place ~

                                                        ORR ~ DeanB