What to do when diesel engine cranks but does not start

This week, John Whelan posts on what to do when your bus cranks, but does not start.

...the first thing you want to look at is the power feed to the engine controls. In this case it's a Mercedes mbe 900 diesel engine in a Thomas C2 school bus. The first check is the fuse block since this powers up the ignition relays that operate the engine control modules.

Follow the link for a full description and photos. As always, thanks, John.