Nice to hear that some are interested in such a kit. I have posted this in the "Easy Climate Control Fan-Only Solution - 5 cents, 5 mins" thread:
"For those who do not want to "DIY" you can buy a cable kit from http://betterev.tabetalt.no/
Please note that US residents(and all other non-Norwegian residents) must add the "world wide shipping" option.
This is a less than "non-profit" project.
BEWARE: This cable kit is NOT approved by Nissan. This is MAY void warranty,
Please be aware that I am the seller of this item.
Mode 1: 270 ohms in parallel makes the LEAF water heater system to assume to have a very high tempt. El.hetater turns OFF.
Mode 2: 2,2k ohms in parallel makes the LEAF water heater system to adjust to approx 30 C. higher than actual temp. Less heat loss.
Mode OFF: No input. The LEAF will heat as normal,
Length of kit: 10 cm
Length of switch-kit: 51 cm.
The switch can be installed up to 50 cm (cable length) from the center console
Be aware that shipping will be primo nov to mid nov. 2015.
1 USD is about 9 NOK. Price per kit iis about 11 USD, shipping about 7 USD
I will provide a simple "youtube" video on how to install the cable kit shortly after I have received it.
At the moment I am just "covering my cost", to make sure that this cable kit is available. I am not making any money on this, but need to get my money back. "