While diagnosing the glow plug system, do NOT touch any part of a hot glow plug.

Heating the air to a minimum starting temperature of 850°C is critical for diesel engine start-up.

Glow plugs run 1000° - 1300°C = "2372° Fahrenheit" optimal temperature range.

Touching the glow plug wire nut can cause severe burns, especially if there is a fault causing it to overheat.

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ASE Master Mechanic
https://whunter.carrd.co/

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
2003 Volvo V70

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