Help needed
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From: horicon Wi
Help needed
Hey everyone me and my dad decided to check if the GPR on the truck was bad but the quick connectors are troubling us. Is there a way to get them off with out breaking them?
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Postmaster
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From: horicon Wi
There are some quick connectors on the valve covers. Me and my dad are thinking those are for the glow plugs. We are trying to make sure the glow plugs are good and just the GPR is bad, since the truck starts real hard in temperatures of 5* or lower.
Post Fiend
Joined: Mar 2007
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From: Texas
Yes those are a pain to get off. Once you press down on the center release tab, it sometimes helps to take a very small screwdriver and use it to help pull the plug out of the connector. Robin has a picture of this somewhere. I'll see if I can find it for you.
Edit: Found it
Edit: Found it
Postmaster
Joined: Oct 2005
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From: Northeast TN
Jacob here is the pin out for the harnesses.
uvc pin out
Pin Out at the valve cover to test them,,
G G I I C I I G G
G=Glow Plug +
I = Injector +
C= Injector Common
***The injectors fire with a 115VDC signal from the IDM do not pierce to wires to test.***
Ohm between "I" and "C" to test the injectors, should be less than 5.0 Ohms
To check glow plugs Ohm between "G" and battery ground should be between 0.1 and 2.0 Ohms
uvc pin out
Pin Out at the valve cover to test them,,
G G I I C I I G G
G=Glow Plug +
I = Injector +
C= Injector Common
***The injectors fire with a 115VDC signal from the IDM do not pierce to wires to test.***
Ohm between "I" and "C" to test the injectors, should be less than 5.0 Ohms
To check glow plugs Ohm between "G" and battery ground should be between 0.1 and 2.0 Ohms
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Postmaster
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From: horicon Wi
Thanks guys. This really helps. I will keep you updated if it is the glow plugs or the GPR, that's giving me troubles.
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Postmaster
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From: horicon Wi
Hey everyone I tested the GPs and the #s I got were(back to front) Right side: 068, 120, 067, and 115. Left side: 122, 126, 170, and 180. The meter I used didn't show a decimal point anywhere so I am not certain if the ohm levels are with in normal specs.
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From: horicon Wi
I thought the Ohm level had to be between 0.1 and 2.0 ohms. I am pretty sure the meter is working correctly.
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From: horicon Wi
When I had the meter set on a lower Ohm reading level when I measured the right rear glowplug the Ohm reading was 06 or something similar(I can't remember cause I didn't write it down.) I'll try testing the glowplugs again with a different meter. I highly doubt that all of the glowplugs are shot.
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From: horicon Wi
Me and my dad, between the 2 of us have almost no clue when it comes to electrical stuff. I don't know the brand of meter we used but I can find out.