He replied with something relevant to ML/MN, then realised his mistake and changed it to an apology.
Easy mistake to make since your thread title was just "firewall" and the reason why I changed it.
I think the MQ has a similar setup to the earlier model with a big grommet on the left hand side of he firewall. Have a search for "firewall grommet" or something similar, then check if yours is similar.
If work is so terrific, why do they have to pay us to do it?