GMC Yukon (2003 - 2004) - fuse box diagram - Auto Genius Jan 10, 2017GMC Yukon (2003 – 2004) – fuse box diagram. Posted on 10 January 2017 25 October 2018 by admin. GMC Yukon (2003 – 2004) – fuse box diagram. Year of production: 2003, 2004. Instrument Panel Fuse Block GMC Yukon – fuse box – instrument panel. The fuse block access door is on the driver’s side edge of the instrument panel. 2003 GMC Yukon Denali Fuse panel on the drivers side of Oct 22, 20162003 GMC Yukon Denali Fuse panel on the drivers side of the dash. Fuse TBC 2B 15A keeps blowing. Do you know what this - Answered by a verified GMC MechanicWelcome! My name is ***** ***** I will do my best to assist you with this problem.that fuse just powers one power leg of the BCM if you unplug the BCM and it stops blowing that fuse then the BCM is bad if it still blows with the..under the drivers side of the dash behind the knee cover as seen in the first picture dont forget to rate us here you can always get me back for FR..the spray in the door latches will not cause this issue the odds are the BCM was causing this issue the whole time dont forget to rate us here you..then the orange wire from that fuse to the BCM is shorted usually replacing the wire will fix this problemits usually shorts in area of the steering column metal brackets if you do not find it run a new wireunplug all the connectors and if the fuse still blows the orange wire in this connector here terminal # D is the orange wireif the BCM all unplugged and the fuse does not blow the BCM is bad dont forget to rate us here you can always get me back for FREE for any follow u..some you can buy reprogrammed if you can not get it preprogrammed then the new one needs to be plugged in then programmed in the truck with a progr..