Makes And Models > Zero Motorcycles Forum | 2013+

Making the Tesla Wall Connector v2 work with the DigiNow Tesla to J1772 adapter

(1/7) > >>

Wolfsbane:
As those of us who have the Tesla adapter for the J1772 modular connector from DigiNow are probably aware, the adapter doesn't work on the new version of the Tesla wall connector. Apparently, Tesla incorporated some kind of authentication protocol or "handshake" into v2 of the wall connector. Fortunately, there is a way around this. Unfortunately, it requires you to kill power from the breaker to the wall connector and take the wall connector apart with security torx screws. Anyway, inside the HPWC (high power wall connector) are two small dip switches. The switch on the left is to choose between a 240v and greater line to neutral installation or a 240v and less line to line installation. Although the installation manual doesn't tell you this, the dip switch on the right is for the electronic "handshake". Simply flip the switch to the down position and the wall connector will act like any normal charger allowing you to use a J1772 adapter to run your DigiNow Supercharger and fast charge your Zero!

I recognize that this is not an ideal fix for being able to access all the Tesla HPWC's in the wild as tampering with property that doesn't belong to you is generally frowned upon in polite society, but it a solution for those who are hoping to use the Tesla HPWC at home to charge both their current or future Tesla vehicles and their Zero or other EVs.

Erasmo:
In the latter case you'd be better of with a J1772 plug and adapter to Tesla.

Wolfsbane:
In my case I wanted to take advantage of the HPWC's 80amp delivery on a 100amp circuit and load sharing ability for multiple Teslas.

mistasam:
Good to know, thanks for the info.  So we'd need some kind of proprietary Tesla handshake to use the new destination chargers?

Wolfsbane:

--- Quote from: mistasam on September 07, 2017, 03:31:49 AM ---Good to know, thanks for the info.  So we'd need some kind of proprietary Tesla handshake to use the new destination chargers?

--- End quote ---

Unless you can flip that second dip switch down, unfortunately the answer is yes. If you ask sweetly maybe the owner of the destination charger would let you open it up to access the switch, but that's a big IF and you'd have to have the security torx heads with you. You'd also need to be able to kill power to the destination charger before tinkering around in there.

It might be easier if one of our more resourceful members could figure out a way to emulate the handshake.

Navigation

[0] Message Index

[#] Next page