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  1. C

    Third brake light not working

    01Konvict: Yes, I had 14.4 volts at BCM X5 Pin 6 from the Brake Lamp Switch. I found the auxiliary BCM - XBCM X1. I measured the pin B2 and it had no power. I will try to jump the the BCM output to the XBCM X1 input to see if the CMHSL works. To answer your question I measured .4 volts at...
  2. C

    Third brake light not working

    Okay. I got a rental FSM from alldatadyi.com. I Measured the input and output of the new brake lamp switch. I measured the voltage at the Brake Lamp Switch with the car running. The Blue/ White stripe wire Pin A Cruise/ETC/TCC Brake Signal had no voltage(open) till the brake peddle was pressed...
  3. C

    Third brake light not working

    Okay, the BCM is a bit more complex than I thought. I need a FSM. Not sure which wire to check. I pulled the plug on the brake light switch and it had power to it (14.4 volts), second wire from the top. Can anyone point me to a wire schematic or FSM to down load? I found this website but did...
  4. C

    Third brake light not working

    Thanks. I will check this weekend andl et you know.
  5. C

    Third brake light not working

    Thanks for the suggestion, I'm not familiar with the parking brake switch and how it is connected to the center mounted third brake light? Thanks, Chibluz
  6. C

    Third brake light not working

    2008 Escalade ESV AWD Thanks, Chibluz
  7. C

    Third brake light not working

    Hi Guys, My center high mounted stop light or third brake light is not working. I have searched this forum to no avail. The light originally flashing when I braked and had the turn indicator on.Now it does not work at all.Since my cruise control does not work along with the third light I...

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