diff --git a/y2022/localizer/localizer_main.cc b/y2022/localizer/localizer_main.cc
new file mode 100644
index 0000000..fab1d51
--- /dev/null
+++ b/y2022/localizer/localizer_main.cc
@@ -0,0 +1,21 @@
+#include "aos/events/shm_event_loop.h"
+#include "aos/init.h"
+#include "y2022/localizer/localizer.h"
+#include "y2022/control_loops/drivetrain/drivetrain_base.h"
+
+DEFINE_string(config, "aos_config.json", "Path to the config file to use.");
+
+int main(int argc, char *argv[]) {
+  aos::InitGoogle(&argc, &argv);
+
+  aos::FlatbufferDetachedBuffer<aos::Configuration> config =
+      aos::configuration::ReadConfig(FLAGS_config);
+
+  aos::ShmEventLoop event_loop(&config.message());
+  frc971::controls::EventLoopLocalizer localizer(
+      &event_loop, ::y2022::control_loops::drivetrain::GetDrivetrainConfig());
+
+  event_loop.Run();
+
+  return 0;
+}