Car quit while sitting stopped at traffic light in the left lane of a four lane road with 30+cars behind me. Good Samaritans (car load of kids) took pity on an old fart pushing his car out of the way and helped. After cool down (bout 40 minutes waiting on my truck and trailer to arrive) car cranked and I made it home.

Did the solder rework on the RCM relay board and car starts and runs fine....except that the secondary air pump now runs all of the time. That sucker is LOUD! Now driving with the 40 amp fuse pulled.

Two questions:
1) what could I have done to the RCM to create air pump issue? I only resoldered the three sets of pins at the corner of the board. Checked for any possible solder spill over but none seen with 20x magnifying glass.
2) what are consequences of running with the Secondary Air Pump off line? Seems primary function is to get the cat to light off quickly?

Fantastic write up and photos on this site. Huge shout out to tighed1!!!

Henry - 2005 XFire which is STILL waiting on its AMG engine to be installed! BTW, I need the Bracket for the Secondary Air Pump, only the SRT6 version. Seems it sits in RF corner of engine bay vs mounted to front of engine. Anyone got a SRT6 parts car??