I recently bought an OBD speed sensing auto lock for my 2007 CL9 Honda Accord Euro. Fitted it and it worked without any problems so far. The device automatically locks my door when the speed goes above 20 km/h. When the engine is turned off, the doors automatically unlocks.
I bought my device from the below for $14.07. The site does not accept paypal, so I paid by credit card. They have a system where the money appears to be held in escrow until the device is delivered and confirmed by you before they release the money to the seller. This is to counter previous scam sellers. The device took 4 weeks to get to me and was posted from Singapore (which surprised me)
http://www.aliexpress.com/snapshot/6011709776.html
The device fits into the OBD port - drivers side, under the dashboard, just below right knee. No mistaking the odd shaped sized port where it fits. One wire has to be connected to the CANBUS wire.
I found information about the CANBUS wire from here
http://www.google.com.au/url?sa=t&rc...62578216,d.dGI
It was the second link in google search for honda accord canbus.
The document shows that the canbus line colour is brown/red and is the 4th pin in the green socket. Note that the 1st pin is empty, so don't just count wires when you are connecting it. Count socket/pin holes. The canbus is found in a bank of sockets just above the fuse box close to the drivers right leg. The socket in which the canbus line is part of is the green socket the furthest away from the seat
I attach a picture showing the socket, but the picture already has the wire from the device attached (so colour may be somewhat obscured)
Also be aware that there are 2 versions of the device. There is another version for the newer Honda Accord, I think post 2012



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