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Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

glow plug controller

Old Dec 5, 2007 | 07:06 PM
  #31  
Dave Sponaugle's Avatar
Dave Sponaugle
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Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
Club FTE Silver Member

You are running power to the terminal the small yellow wire is on from your push button?

If that is the way you have it wired, your switch and the wire you are using have to handle 200 amps to heat the glow plugs.

A ground applied to the white wire terminal closes the relay when the key is in the ON position.
So the relay and stock wiring is carrying the big amp load.
 
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