7.3 Powerstroke Glow Plug Relay

What does the “glow plug relay” do , on a ford 7.3 powerstroke diesel 1996 ?
engine doesnt start when first started in morn….waiting for wait to start light to go out ….then engine just turns over no fire at all ….alot of white smoke exhausting though while attempting to start….if i shoot a little ether into air box inlet it starts instantly…and will continue to start ok when engine is warmed up ….what could be the prob ?? thx has new pcm/injector module and 4 new glow plugs.

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  1. bitcrazy6464
  2. QuattroCS
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  4. Rolls-Royce Man
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