Like Robert said... Remove the grill and look for the latch. You might want to have a second person help you push down the hood while you release the latch.
I've replaced the cable 3 times... Last one came unglued before even finising the installation.
1. Haynes Restoration Manual - Land Rover Series I, II & III - $20 (Good)
2. Haynes Service and Repair Manual - Land Rover Series II IIA and III - $25 (Good)
3. Haynes Owners Workshop Manual - Land Rover Series II IIA and III - $15 (well used)
4. Land Rover Series II & IIA Repair Operation...