Need help glow plug codes

[sam85]

Hello I'm new to the forum and am in need of some help.
I am getting check engine light codes of P0674, P0676. I have had these codes a while now. I have replaced all glow plugs with new motorcraft plugs. I replaced both harnesses at the same time and still had the codes. I then replaced the glow plug control module and still I have the codes. I can only think maybe a grounding or short in wiring somewhere but don't know where to look. if someone could point me in the right direction or have any other ideas I would love to hear them all, thanks in advance for all info.

[JUGERNAUT]

Originally Posted by sam85

Hello I'm new to the forum and am in need of some help.
I am getting check engine light codes of P0674, P0676. I have had these codes a while now. I have replaced all glow plugs with new motorcraft plugs. I replaced both harnesses at the same time and still had the codes. I then replaced the glow plug control module and still I have the codes. I can only think maybe a grounding or short in wiring somewhere but don't know where to look. if someone could point me in the right direction or have any other ideas I would love to hear them all, thanks in advance for all info.

First off welcome to the org!! nice to meet you sir!!

The female pins in the plugs that go to the glow plug controller push out of the back! check them real close when pluging them in and watch to see if they push out!

[woodyrock]

Sounds crazy but my batteries were low and it was causing me to get cylinder 6 glow plug code

[sam85]

Thanks for the replies. I will have to check the connections again like you said and make sure there good. Batteries and alternator are all brand new I replaced them all about three weeks ago to get rid of the battery light going on and off and finally fixed that.