For brake systems that use the Proportioning Valves # 1914000003 & 1824000054
Use this combination tool when bleeding your brakes to lock the valve in place and keep the valve from tripping.
- Remove the warning light switch on the valve (the white plug), then screw in this tool while bleeding your brakes.
- After the bleeding process is finished replace the warning light switch. Save yourself the headache of having to reset the valve.
Color can vary from the picture ! 
