[mmtj3]

working on installing a wireless backup camera, having to feed constant 12v to a relay, where on the OBD2 can I find the constant 12v? which pin and wire color?

 

[braddo]

if you want to tap power from OBD2, 12v power should always be pin 16.

https://upload.wikimedia.org/wikipe...r_shape.svg/300px-OBD_connector_shape.svg.png

 

[RobbMeeX]

Just be careful you are not stopping the can from going to sleep...