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  #18  
Old 11-30-2015, 09:57 AM
Goteborg Vapenfabrik Goteborg Vapenfabrik is offline
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Join Date: Nov 2011
Location: Oglethorpe's Colony
Vehicle: 1985 740 Wagon
Posts: 149
Talking

I looked it up in the greenbooks yesterday. Its called a delay
relay. Like Anders said it's for the EGR system. I'm eliminating it from my 740TD. You may try checking the glow plugs individually with jumper cables and a hot battery. I didn't bother with #6. Its a beast.
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