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  1. 00' F350 7.3 GPCM issue

    Engine 911
    Hey, I just bought my first 7.3 and it is throwing a P0683 GPCM to PCM code. I already replaced the GPCM and the code returned about 20 miles after installing. I looked at the pigtail connectors and noticed it was missing a wire on the 8th input. I compared it to ones I found online and it...
  2. 6.4 gpcm location/glow plug removal

    6.4L Problems Forum
    Hi guys, I just got a P0672 code and will be replacing the #glow plug... so first off, does anyone have any tips on the easiest way of accessing it. I took a quick peek tonight and it doesn't seem to bad if I remove the antifreeze tank. Secondly, I have been reading about this code and some...
  3. Truck shakes and loses power.. dies and restarts after 20 minutes

    6.0L Problems Forum
    The first time I had this problem it was -4 and I was driving down the hwy, the truck was at 2200 rpms and wouldn't shift or anything then started shaking, I put the petal to the floor and continued to slow and as I pulled to the side of the road it shut off, I had my 2 week old son with me so I...
  4. Crank but No Start DTC 0672

    6.0L Problems Forum
    Drove 2004 Excursion (6.0L) to neighbor's house, stayed for about an hour, came out and it cranked slower than normal, and no start. DTC Codes are P0603, 0611, 0672, 1000. I recently had my FICM rebuilt to 58v, and the 0611 never went away. Thinking it has something to do with the 0672 and...
  5. Glow plug system problems

    6.0L Problems Forum
    I have a 04 F550 6.0. I am getting codes P0671-678 (glow plugs cyl 1-8). Tested all glow plugs just to be safe and all are good like I assumed they would be. Replaced GPCM as advised by Ford dealer. Still not fixed and still throwing all same codes. Testing resistance on all wires as per alldata...
  6. Where to buy Electrical CONNECTORS????

    6.0L Problems Forum
    I was trying to fix some chafing issues when I noticed that this connector was damaged...then damaged it a lil more myself....Instead of buy a new harness from for for $700+ I plan to rewire the gpcm to pcm connection. Where can I get this part from? There are no local bone yards that have...
  7. HELP! 06 F250 6.0 Chafed harness

    6.0 Motor problems
    Hello All! My truck has been throwing codes on and off for the past couple months. I was told that since they come and go that they are "soft" codes not to worry. Flash ahead to now and my truck is dead in my driveway. After some snooping around I noticed that the GPCM wire harness to the...