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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I am having issues narrowing down my electrical issue. I have no power to fuse 52 the front airbag fuse. And I believe that it causing my issues. I allready changed the PDM out with a new one and i still have the same issues. Also fixed some broken wires as well. HELP, i dont know where to look next.
That fuse gets power from the ignition switch. Orange wire, pin 14 on the ignition switch connector, but, that portion of the switch gets ITS power from fuse 3 in the PDC, 30 amp fuse.
Kinda lost track of where I was going with this.... but, all your issues tie back to the speedo, find out why that isn't working, and everything else should follow. I have wiring diagrams, but, not a service manual, so I am not sure where it gets its signal from for the speedo, one of the wheel speed sensors, but, which one? If you have a scanner that can read live data, (ABS system), see if you are getting rational readings from the sensors.