Im assuming you have a 300 also.
The main alt wire is ran on passenger side under the carpet.
The engine to chassis is on the left side of the engine, just find the screw sticking out.
The ground to battery is right next to the battery its self.
You just need to run the main wire where the oem wire is then replace the anl fuse already next to the fuse box.
Sent from my Z970 using Tapatalk