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Freeze sprays, hot air to locate temperature sensitive componets, blowing through straw and watching for erratic outputs may be in your bag of tricks. Would pyrometer make your life easier, faster fixes, and better?
Non - contact infra red pyrometer temperature range is -40 °C to 3000 °C ( -40 F° to 5432 F°).
Electrical trouble shooting would show high resistance, especially at connectors, problems at fuse connections, at wiring harness connectors, very good on auto wiring harnesses. If you need to find broken connection in auto rear window defroster, temperature should increase uniformly over grid wiring and make break stand out. Readouts as current is flowing under working conditions.
Mechanical, high temperature, and dangerous areas can be aided with temperature readouts. Temperature of rotors and drums after heavy straight line braking ( front brakes should be hotter than back brakes), abnormal temperatures in warmed up drive trains, low temperature of engine cylinder on hot engine, areas of radiator, when coolant thermostat opens on started car, heater core in / out temperature, bad bearings when heated up, air conditioner work.
Possible temperature misreadings would be on shiny, polished, or unoxidised surface as aluminum or stainless steel. Special pyrometers with emissitivy - compensation features. One method, black friction tape or black paint on part of shiny area. Adjust emissitivy - compensation for same reading on shiny and dark surfaces.
What hot ideas are you thinking to try?
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