So I wanted to install a Bluetooth obd2 shift light along with my multi gauge. Buuut my car cannot supply enough power through the splitter to power both. Can I unhooked a wire from my stock obd input and run a power wire strait to it so I know for sure it's getting full power ? I seen there are 6x pins if I remember correctly in it , 2x on the bottom and 4x on the top , which one is power ?
iiiiiiiiif i cannot get the splitter working Im picking my shift light over my multi gauge but then I NEED to be able to monitor coolant Temps accurately so I will need to install an auxiliary water temp guage wich isn't a big issue BUT what coolant hoses do I need to tap into in order to get accurate coolant Temps BEFOR the thermostat opens and what mm is that hose so that I can order the correct size splice on piece. OR could I run the signal wire from the water temp gauge to ? Instead of running an auxiliary sensor n stuff ???
thanks for the help guys , it's ALWAYS very much appreciated !
but here's a sneak peak on how the cars coming...

 

I'm going to be heading down to work on the car in a few hours. Anybody have any insight on providing more or a better source to power the obd port ?? I found this schematic but it doesn't quit match my pinout in my port.

 

Why not tap directly into the fuse box?
I've used something like this in the past, they make it really easy.

 

I already have and thats whats powering my gauges BUT i need a constant 12v to the obd port...I. not worried one bit about finding a power source

 

Another quickie.... on these adapter , the screw on them , is that to run a ground wire off ???? I think this is the route I'm gonna have to go.