Trickle charge 718 Cayman GTS
Discussion
Get the CTEK connector with the M8 eyelets and use an M8 screw to bolt the negative to the empty screw hole by the suspension mount:

You can then run the plug around the plastic frunk cover so you don’t have to remove it each time you want to leave on charge.

ETA: if you do it this way you don’t have to worry about the car shutting down the cigarette lighter socket after 30 minutes which I believe it may do on some.
You can then run the plug around the plastic frunk cover so you don’t have to remove it each time you want to leave on charge.
ETA: if you do it this way you don’t have to worry about the car shutting down the cigarette lighter socket after 30 minutes which I believe it may do on some.
Edited by anonymous-user on Sunday 3rd January 10:40
Fitted the CTEK system to my Cayman GTS today. The negative cable is a little short for my liking so I extended it. The M8 bolt seems to provide a good earth through the extra threaded hole that Porsche supplies so no need to remove any paint. To my mind this is a far superior solution than using the internal power socket. 
Gassing Station | Boxster/Cayman | Top of Page | What's New | My Stuff


