hello search infos and schematics for tempomat installation sprinter ez 8/99 have a built-in and connected according to a conversion instructions from the sprinter forum and from dc can be unlocked but not loud workshop master is the brake light switch defective which can not be because I have made the interruption of the tempomate over a relay now I let the still the clutch pedal switch play a role but which and how it is connected via circuit diagrams and infos to my problem I would be very happy mfg a sprinter driver