Bad glow plug relay?!? How to diagnose - starting symptoms and wire testing.

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In this video, you will see the no start symptoms on a 7.3 Powerstroke with bad glow plug and bad intake air heater relays.

I will tell you how the relay operates and what voltages to look for at each terminal on the relays when the key is on and off and when the glow plug light comes on. Also found an intermittent short in one of the relays!

Intake air heater relay part number:
F81Z-6G015-AA

Glow Plug Relay Part Number:
F81z-12B533-AC
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Age restricted? You got to be kidding me. No one takes out willy for this.

magnusremovals
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Where you live? Come and do this for us....lol

LLLL