The GG-1 Reading MU deal would occur whenever SEPTA strikes were going down. I recall several occasions in the early 70's when a G and Reading m.u.s would turn up in Trenton station. Those de-motored ex New Haven m.u.s were known as " The Green Hornets." Original plans had them operating out of Trenton in the early morning to New York, lay over in Sunnyside all day and make the run back to Trenton in the evening rush.
After several weeks of this schedule they suddenly turned up at Jersey Avenue yard and were assigned to a morning rush 3700 series train operating from New Brunswick to New York. I recall Harold Smith, Chief Trainmaster say some big wheel Princeton junction commuters called up the President of the Penn Central and had the Green Hornets exiled to Jersey Avenue. The air conditioned 10 car Jersey Arrow set was then reassigned to the Trenton schedule. The Princeton Junction Brahmans were not going to sweat that summer, the lower caste Jersey Avenue crowd could fend for themselves!
When hauled by a GG-1 the Hornets had a pantograph raised in the middle of the consist that provided light and heating in winter, the rest of the cars in the consist had no pans at all having been removed when shopped. I made a few bucks off this train in the winter when the crew dispatcher would order a fireman off the NY extra list to perform babysitting duty ie; operate and monitor the GG-1s steam generator all night to prevent it from freezing up. Ahh life was good, sign up at 7pm in County yard after the train came in from New York set the steam on low and relax for ten hours till the morning road crew signed up. One time during the summer the Hornets were unexpectedly shopped and Harold Smith stole an entire Seaboard Coast Line consist out of Sunnyside at 4am and deadheaded it to County to cover the Hornets schedule. I wish I had a camera that morning when the Silver Star doubled as a Jersey Avenue local.