6.0 glow plug issues
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4wd Low
Joined: Sep 2023
Posts: 11
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6.0 glow plug issues
Hi. I am hoping to pick the collective genius brain here about my issues. I have a few p0678 p0676 glow plug open codes being thrown. I tried to figure this out before coming here but I am a bit stumped. What I have done so far is:
replaced the gpcm, replaced glow plugs and harness, and checked for continuity all the way from the GPCM to the glow plug harness, and there was continuity. When I ohm out all the plugs from the GPCM harness, only 1 of the glow plug circuits got a reading. I ohmed out the plugs from the glow plug harness and still only 1 reading shows up. I pulled the connectors off the plugs and checked for continuity and everything was good, so I am confused because there is continuity all the way from the GPCM to the glow plug harness. They are brand new plugs so I don't see how they could be bad. It seems like the new harness or plugs are bad if I cannot get an ohm reading from the glow plug harness or possibly they do not fit the glow plugs. Any ideas from anyone? Thanks
replaced the gpcm, replaced glow plugs and harness, and checked for continuity all the way from the GPCM to the glow plug harness, and there was continuity. When I ohm out all the plugs from the GPCM harness, only 1 of the glow plug circuits got a reading. I ohmed out the plugs from the glow plug harness and still only 1 reading shows up. I pulled the connectors off the plugs and checked for continuity and everything was good, so I am confused because there is continuity all the way from the GPCM to the glow plug harness. They are brand new plugs so I don't see how they could be bad. It seems like the new harness or plugs are bad if I cannot get an ohm reading from the glow plug harness or possibly they do not fit the glow plugs. Any ideas from anyone? Thanks
Thread Starter
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4wd Low
Joined: Sep 2023
Posts: 11
Likes: 5
oh sorry for posting in the wrong area. Thanks
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