That's great news home alone, I reckon that why service manuals always start with the simplest and easy things when doing a diagnostic. I've found over the years even without a manual going for the fueses first, then the grounds, then the .... etc.
The parts shop that stocks part for Skylab II will not have parts for our year/model of Jeep
We cannot accurately judge the trajectory of a speeding critter (cat, dog, sasquatch)
Record heat waves and floods only occur when we visit that area