As of yesterday the number 1 and 2 speed setting for the interior A/C / heat / vent system stopped working. They are not blowing any air. #'s 3 and 4 still work. Anyone had this issue before? What the heck is the problem exactly and how can i fix it? i have an extended warranty, but I tend to fix te cheap small stuff myself to save from having to go to a shop and wait for it to get done.

advice?

oh yeah, 2006 3.7

Look up blower resister, plenty of posts including pictures on here.
It is a common problem.

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2002 KJ Limited 3.7
Completely Stock
215/85R16 Kevlar

thanks

Replaced my blower resistor this fall. Took care of the issue. I went with the one made for the Sending as it seems to be better built. You'll know what I'm talking about once you find the thread.

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'05 Renny 6 speed
OME/Bilsteins, Spidertrax Wheel Spacers, Husky Liners all around, Gutter Guarded Grill, 1 ISO each side rear, Boilers top shims front. And a whole list of things yet to do.

BWD part number RU1040 or equivalent that is listed for a 2001-2004 Chrysler Sebring. To get to the resistor open the glove box then press inward on the latch arms on the left and right side to let it drop down further. The resistor is right there held on by two 5/16 hex head screws. You need to pull out on the red tab about 1/4" to push the release and it required some pressure to get the red tap to pull out.

Per my notes clipped from the KJ CRD forum

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs