In the fuse box next to the battery
In the power distribution box, in the engine compartment of a 1997 Explorer, (PD BOX IS LIVE - DISCONNECT YOUR BATTERY CABLES ) in location # 2 there is a 30 amp maxi-fuse for the PCM power relay in location # 11 there is a 20 amp maxi-fuse for the PCM MEMORY and horn Relay# 5 is the PCM POWER RELAY and diode # 2 is the PCM DIODE ----------------------------------------------------------------------------------------------------------- In your fuse panel - visible with the driver's door open location # 13 - 15 amp fuse - for PCM system/stoplamps/AWD/ABS/speed control/ trailer tow location # 19 - 25 amp fuse - for PCM system/ ignition coil
inside the right hand front fender
The PCM relay is relay # 4 in your power distribution box in the engine compartment , also in the PD BOX in location # 6 is a 10 amp mini-fuse for the powertrain control module and in location # 8 is a 30 amp mini-fuse for the PCM relay . Ford recommends disconnecting your battery before servicing fuses/relays in the PD BOX which means your Ranger has to re-learn its idle etc.
pcm fuse is under the hood in the box next to the controllers. 20amp that is marked ing.
In the Power Distribution Box ( which is " live " ) in the engine compartment : Mini fuse # 1 is a 30 amp fuse for the PCM relay Mini fuse # 2 is a 10 amp fuse for the PCM and front electronics module Mini fuse # 5 is a 15 amp fuse for the PCM and fuel pump motor
under the hood in the main fuse box by the pcm (drivers side has fuse box written on it) look under the lid of the box and it will tell exactly which relay it is
The manual will have the exact location of the fuse for the PCM. If you are trying to do a reset then disconnect the neg battery cable for 10 minutes. www.trailvoy.com
On a 2001 Ford Explorer Sport Trac : The PCM diode is located in the Power Distribution Box in the engine compartment on the drivers side ( it is in location # 53 ) The PD Box is " live " Also , in the fuse panel located in the drivers end of the dash ( the fuse panel cover is visible with the drivers door open ) fuse ( # 19 is a 25 amp fuse for the PCM power diode )
They should be in the engins compartment fuse/relay panel.
the pcm fuse on the 06 ram 1500 is #31
could the pcm fuse be blowing because of a short in the air conditioning switch I have seen the starter be the cause of a blown pcm fuse.
The PCM in a 1993 Deville gets power from the IGN fuse. the fuse is located in the distribution box under the hood.