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7.3L Powerstroke Technical Discussion Technical info, repair and non performance related discussion for the 7.3L Power Stroke engine here.

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Old 10-11-2017, 05:37 PM
tom b tom b is offline
tomb
 
Join Date: May 2009
Location: michigan
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Default Glow plug relay

2003 7.3 this morning my truck starting little hard I put my multimeter on it.it was reading 9.97 so I had another one at my shed it was used . I put it in I couldn't get a reading so I went out got a new one I still can't get a reading on it. I have 12.5 on the hot side when I turn key nothing on other side. I put all wires on exactly they came off .what can I try next thanks tom
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Old 10-11-2017, 07:57 PM
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Doug Doug is offline
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Check the little post that is hot when you turn on the key s/b 12v for at least 15-20 seconds.
If it is dead, jumper it to the big hot all-the-time post to see if it clicks.
If it does with 12v on both big posts, then the solenoid is good and the controller is probably bad.
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86 F350 4x4 - Original owner
Was a 460 and will be a 00 SD 7.3, 550HP
Superlift 6", tilt front-end, dump bed, ARB lockers front and rear, 4 wheel discs, E40D

97 F350 PSD
E4OD, stock DD.
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Old 10-12-2017, 04:44 AM
tom b tom b is offline
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Ok thanks
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