2013 f150 trbl

Question

when i get to step 4 blue lights flash rapidly then go all yellow.the unit worked for awhile then stopped working

Answer 1

blue led is only for can-bus programming. There are more steps to the programming.

Follow the most recent install guide (71.28 update required): https://fortin.ca/download/34421/evo-all_thar-ford_ford80bits_standalone_b20150706.pdf

If you purchased the unit from an online reseller, contact that reseller as he may be setting things up with your unit before shipping.