That would probably work too.
What brand fridge? My Engel definitely does not cause any issues. Both my fridge and HAM are wired to the same fuse block (under passenger seat) then direct from there to the battery.
Speski OffRoad LTD, Cargo Solutions for Toyota 4x4's http://www.SpeskiOffRoad.com
"80 series, with a fridge"
1976 FJ40, Project with little progress.
2004 Starcraft 10RT