The heater fan does not turn on in the front of my 2006 chevy uplander the fuses are all fine and can hear the resistance when i turn the control knob

Unfortunately there isn't one for the Uplander, just the Impala. Check out the video on clearing the Uplander heater core.

https://www.google.com/search?q=2006+chevy+uplander+replace+heater+core+replacement
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No , they use different fuse's . FRT/BLWR fuse # 27 - 25 amp , RR BLWR fuse # 28 25 amp . both are located in the under hood fuse box . But the odds of this being a fuse problem are astronomical . Unless there is a electrical short circuit on that circuit . You may replace the fuse an it mite work , but for how long .? The blower motor may be going out an drawing to much current . Do you know anything about automotive electrical ? Amps , volts , resistance ? How to view a wiring diagram to see what all is involved in the blower motor electrical circuit , how to use a DVOM - digital volt ohmmeter to test electrical circuits etc .... ? Plus - do you know if it has a manual or automatic climate control system ? It doesn't work on any speed ?

It would be useful if you had mentioned whether it was a radiator cooling fan motor or a heater/ventilation fan.

It is usual for the cooling fan to switch on with the A/C is on unless the ambient temperature is quite low, otherwise it only operates subject to engine coolant temperature via a thermal switch fitted into the cooling system and/or the engine management system.

The heater fan is either directly switched and faults relatively simple to trace or subject to the whims of the climate control if fitted when a degree in magic is needed along with a box of tricks.

Could be a stuck flap inside the heater box not exactly sure where the box is normally its behind the dash I'm sure someone on here could explain it a little better

As any earlier answers there is fuse 23 and 25 however there is also a fuse behind the lighter which is not replaceable. You can use the factory replacement or the hole it's too big for aftermarket. Hope this helps

Heater control not switching over from heat to defrost. If you hear the fan motor running and get no air pressure, you're heater core is plugged between the a/c condensor and the heator core. If you don't have any fan motor,it could be a fuse, relay or bad motor.

sounds like a controll acuator is broken or loose in the heater system

i have a 2006 chevy uplander and i need to change the low beam headlamp how do i do it, also about a month after we had got the van the rear wiper stopped working i haven't checked the fuse yet, but is this a common problem for the uplander, and also the abs light stays on what should i do for that problem, and also when we drive it and then shut it off it does not want to turn on right away.

Have you checked the Aux switch near the bottom of the center control console.
There should be a knob with: Aux, Off, 1, 2, 3. This is the switch for the rear AC blower.
If the driver wants to control the rear AC, use the 1, 2, 3 settings.
If you put it on Aux, Than the rear AC is controlled by the passenger in the back seat using the extra controls located on the Overhead DVD player. (The front AC must be on the rear to work)

Hope this helps

UPLANDER 06 Elec Cont Unit (ECU); (left front of engine compartment), 3.5L.
http://cgi.ebay.com/ebaymotors/2006-Chevy-Uplander-Engine-Computer-PCM-ECM-12600928_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318QQ_trksidZp3286Q2ec0Q2em14QQhashZitem320315289651QQitemZ320315289651QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories