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Thank you Josh, just jumpered past that one and you are right, it's the brown one, fired right up. I was wrong about thinking the pictured one above was the primary limit, that's the rollout limit...

Following the schematics, I found another auxiliary limit switch on the bottom (part# 10728317), jumpered that no change. I also jumpered the primary limit switch (shown above, part # 10728305) and...

http://i85.photobucket.com/albums/k62/dil222/P1020854.jpg

Is the open limit switch the far left switch with the brown wires?
http://i85.photobucket.com/albums/k62/dil222/P1020858.jpg

Furnace - Amana GUIA115A40
Control board - White-Rodgers 50A50-298

My furnace just has the fans running non-stop and the control board is flashing an open limit switch error code. The furnace is...