<P> Glow plugs in model engines differ from those in full - size diesel engines . Full - size engines only use the glow plug for starting . Model engines use a glow plug as an integral part of the ignition system because of the catalytic effect of the platinum wire, on the methanol - base fuel they are designed to run on . </P> <P> Model engine glow plugs are also used as re-usable igniters in theatrical pyrotechnics and the special effects industry to remotely ignite pyrotechnic devices using flash and smoke composition powders . </P>

At what temperature should you plug a diesel truck in