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sprinkles08
sprinkles08, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 22983
Experience:  ASE Master & Advanced level certified, Chrysler Master Certified, Trans and Hybrid Specialist
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No heat, a/c, rear defrost, nothing but the light on the

Customer Question

no heat, a/c, rear defrost, nothing but the light on the climate control is on
JA: Have you checked to make sure the thermostat is working? What about the coolant level?
Customer: the a/c won't work either, no fan either no power
JA: What is the model/year of your Chrysler?
Customer: 2004 300m chrys
JA: Are you fixing your 300M yourself? What have you tried so far?
Customer: myself, need to drive to work, looked at a couple 10 amp fuses under dash
JA: Anything else you want the mechanic to know before I connect you?
Customer: it's freezing in Pittsburgh
Submitted: 8 months ago.
Category: Chrysler
Expert:  sprinkles08 replied 8 months ago.

Hello and welcome to JustAnswer!

If all of these problems started at exactly the same time then the most likely cause would be the a/c control head, but it's possible that there is a poor power or ground to the control head.

Did the problem start after any work was done, a jump start, etc?

Have you tried a battery disconnect?

Is it just the illumination on the control head that works but i t doesn't actually come on and show settings?