Originally Posted by dmalmgre
I posted here approximately a week ago about a customer's 2004 6.0 PSD that we have been working on. A week ago it was barely running after we isntalled an EGR delete kit and was pitching a code for injector 8. The front most connector pigtail to the FICM was cracked (common issue with the 6.0) so we decided to replace the wiring harness. Seeing as you can't just find the pigtail we had to spend $400 on the entire harness. We got done and it will crank and sound like it wants to start but it just will not fire. It will not start at all now. It is pitching codes for injectors 2,3,5 and 8 now. We are thinking that it is/was a combination of the connector pigtail (which we just replaced) AND the FICM. We called the dealer and they always have about 15 on hand because they do sell alot of them. What are your guys' thoughts on this? Does anyone sell an aftermarket one? Our cost on the FICM from the dealer is about $500 and we're trying to save the customer some money. Any input is appreciated!
you shell out the money for a FICM, recheck your work. If you are now getting hard faults specifically for cylinders #2, 3, 5 & 8 you need to check your wiring connector to the FICM's middle connector carefully. This would be C1388B as listed in Ford's PC/ED. The connector closest to firewall (C1388A) is for the wiring the cylinders #1, 4, 6 & 7, and the connector closest to the front of the vehicle (C1388C) is for various grounds and FICM CAN + and CAN- just to name a few circuits. I put money on it, that either this connector is not properly latched to the FICM and/or the connector is damaged/broken. The story you describe, sounds EXACTLY like a situation I ran into, not too long ago where an independent shop replaced a FICM on a truck, not knowing it needed to be programmed using IDS upon replacement. When the truck arrived (on a tow truck) at my doorstep, I proceeded to program the newly installed FICM only to have it running on four of the eight cylinders. Upon closer inspection, it turned out that the installing tech got a little too aggressive with the FICM's middle connector and damaged it, necessitating its replacement.