taillight wiring harness routing in a duster?

While i'm waiting for my wiring harness kit to arrive i want to work on the details of re-wiring the car.

I stripped out all the old under dash wiring and now i'm looking at the driverside plug that must go to the tail lights. From the trunk it looks like it goes over the top of the wheel well, but i'm not too sure where/how it routes?(fold down seat car)

Am i gonna have to remove a good portion of my interior to replace that harness?