Loot T. Take Generator with you. Tunnel to L. Get supplies from the rover and outside. Don't even bother going inside. Tunnel back to T. Drive to Dam. Enter S. Recharge rover/get supplies. Should have max fuel cells. Drive to A. Use fuel cells and generator to charge power block. At least how I did it. Been stuck taking the long way to A as well since my non follow the tracks route forgot it exists.
Edit: Just noticed a 4.028 download. Very nice.