I don't know what fuse to check for heater blower fan on 2006 dodge 3500

SOURCE: heater fan not working

my car is Isuzu rodeo, this morning found the blower of heater not turning no heater work.

SOURCE: blower or fan not working when u turn on the ac or

I would check the blower motor,unplug it and run a hot jumper and a ground wire direct and see if it works.

SOURCE: 2003 Suburban heater fan will not working.

1st attach a test light from negative battery terminal to voltage wire at blower motor and test for power
2nd attach a test light from positive battery terminal
to ground wire at blower motor and test for ground

if both tests light the test light suspect blower motor
if no ground suspect resistor
if no power suspect short in voltage wire
these vehicles are known for burning out the wire
connection at the blower motor look for discoloration
at the plug
i hope this helps

SOURCE: 2003 dodge durango front heater/ac blower motor

Check the Blower Motor Resistor. This controls the Blower Motor/Fan Speed.

SOURCE: air bag light on Dodge Ram 2006. No code for

could be a seatbeat buckle wiring problem. That was the case for mine