I killed a ground. f*ck.

[1mz]

So I went to test fire my m50 last night for the first time and was going through pre-ignition procedures (dme not connected, just cranking it over to make sure I was building oil pressure) and I fried the thin gauge ground wire that leads to the maf/whatever plug is attached with it. The car won't even turn over now. Anyone have any ideas? Heres my power dist. block -




And heres the wire I murdered




I only have the one main ground and the one for the adapter that gregslow made me attached to tray in front of the dist block - am I missing some quintessential ground thats going to make me feel like a jackass?