Ram 1500 heating/cooling issues

Asked by Wylie Apr 26, 2023 at 10:55 AM about the 2003 Dodge RAM 1500 ST 4WD

Question type: Maintenance & Repair

03 dodge ram 1500, ac/heat used to work fine
then one day it stopped blowing all together.
Now maybe 1/100 time that i turn on any air
(heat or ac) it will blow but the other 99 times no
air at all, can still get heat if I leave it on full blast
and my truck is warm and running but it is
barely coming through vents at all. When it is
warm and heat is barely coming through it
smells like coolant, just hoping there's a way to
diagnose this without pulling the dash off to see
heater core

1 Answer
202,495

Ed92626 answered about a year ago

You just have a damaged heater resistor. It's on the inside firewall, behind the glovebox.

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