Greetings,

I've posted a couple of pictures of the current setup of the vacuum connections at the firewall location ('83 300 cd-t). Notice the golf tee on the blue line. The previous owner had this line plugged for whatever reason. I pulled a vacuum test on this line and the seat back locks are operational. I just need to know how to connect the blue line to the vacuum supply.

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'88 300 sold
'83 300cd