Glow Plug issues (did search)
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Glow Plug issues (did search)
Hello, I have searched this site and 10 others about glow plugs. Everyone says test them with ohm meter at various places.
My truck is throwing P0672, P0674, PO676, PO678
I also get white puff out exhaust on cold mornings or afternoons if still below 40* or so.
Is there an easy way to check things or does having all 4 on left (drivers) bank out tell me something?
I ohm tested the black connector on gpcm pink/green wire to neg term on battery. I either did it wrong or I am truly getting 168 ohms.
Any suggestions would be helpful. Not looking to get blasted.
Jim
2005 F350 6.0 4x4 Crew King Rach.
My truck is throwing P0672, P0674, PO676, PO678
I also get white puff out exhaust on cold mornings or afternoons if still below 40* or so.
Is there an easy way to check things or does having all 4 on left (drivers) bank out tell me something?
I ohm tested the black connector on gpcm pink/green wire to neg term on battery. I either did it wrong or I am truly getting 168 ohms.
Any suggestions would be helpful. Not looking to get blasted.
Jim
2005 F350 6.0 4x4 Crew King Rach.
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Joined: Jan 2005
Posts: 4,424
Likes: 12
From: BC Canada
You need to ohm each GP individually. But based on the measurement you got, and the codes, I am thinking GP harness. It's a bit of a job, but you may as well buy both and change them both, while you are at it, ohm each GP while changing the harnesses.
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Thanks all.
I took the air intake system out and found the driver side plug for harness. I went ahead and tested both sides for resistance.
Drivers side
Yellow 180.1 ohms
Red 17.7 ohms
White 99.2 ohms
Blue 17.9 ohms
Passenger side
Yellow 0.04 ohms
Red 0.07 ohms
White 0.04 ohms
Blue 0.05 ohms
Guess it's the left side harness. And I guess I was not messing up when I got the high reading from black plug.
Someone said they suck to install. Are there any how-to documents or videos on your minds?
Thanks again
I took the air intake system out and found the driver side plug for harness. I went ahead and tested both sides for resistance.
Drivers side
Yellow 180.1 ohms
Red 17.7 ohms
White 99.2 ohms
Blue 17.9 ohms
Passenger side
Yellow 0.04 ohms
Red 0.07 ohms
White 0.04 ohms
Blue 0.05 ohms
Guess it's the left side harness. And I guess I was not messing up when I got the high reading from black plug.
Someone said they suck to install. Are there any how-to documents or videos on your minds?
Thanks again
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