powermaster brakes

[Only a six]

we wanted to change some of brake fluid from master cylinder was pretty dark and wanted to freshin it up . we drained with turkey baster almost to bottom and then added new fluid, now the brake light is coming on. any ideas on what to check thanks for any help Pete 412-638-5648

 

[Coelacanth]

Here are two topics you should find helpful.

PowerMaster Brake Troubleshooting
http://www.turbobuick.com/forums/threads/powermaster-brakes-diagnostic-information.362564/

PowerMaster Brake Bleeding Procedure
http://www.turbobuick.com/forums/threads/the-powermaster-bleeding-procedure.218912/