Mar 24, 2021 · Simply disconnect the larger, front connector from under the ficm, put in a new 50 Amp fuse, and turn the key to run. I did this and the fuse remained intact, confirming it was the ficm and not a short.

Mar 1, 2025 · Fuse 18 on the low power side of the relay is for relay actuation, and fuse 5 for the power that ultimately provides the FICM its power. First, the FICM itself has to be powered up from the ignition switch.

Jun 14, 2017 · Start checking wiring for a short. Start with the clutch fan wiring then move to others sensors. Any thing plugged into the OBD2 port? If so you might try unplugging it to see if it helps. shorts in the fan controls. Check where it branches. …

Oct 26, 2014 · Fuse 116 is the Ignition Circut. It's a 30 amp fuse. The best I can do with the wiring Diagram is at the wiring diagram at the end of the 6.0 bible that shows a basic diagram and how it connects to the PCM and FICM. I'd like to find a better diagram also.

Dec 23, 2010 · I am assuming that the FICM has a fuse or Relay, so if anyone could tell me where it is would be much appreciated! Regards, Troy

May 6, 2021 · If the FICM logic fuse is blown, you won't get FICM logic voltage (and you will not get injector buzzing OR an engine start). If that is the ONLY problem, then you should have 48 volt power (MPower) with the key on.

Apr 9, 2017 · Starter Fuse #113 keeps blowing when I attempt to start the truck. I thought the problem might have been a bad solenoid on the starter and in turn replaced the entire starter/solenoid with one from Ford. This did not fix the problem.

Sep 25, 2011 · A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. Come join the discussion about performance, bulletproofing, modifications, classifieds, troubleshooting, maintenance, and more!

Mar 24, 2021 · Simply disconnect the larger, front connector from under the ficm, put in a new 50 Amp fuse, and turn the key to run. I did this and the fuse remained intact, confirming it was the ficm and not a short.

Sep 3, 2014 · There are 2 Fuses and 2 Relays associated with the FICM. Under the dash there is a 50 amp fuse and relay 304 (labeled IDM) there is also a 10 amp fuse and relay in the engine compartment (its the grey 4 pin one next to the fuse) under the black cover driver side firewall