I have the same problem with my 2002 ram.
I'm gonna try a rad flush to see if that helps.
I think the heater core is fine because after 2 on the rpm gauge it warms up perfect, just not when idling.
Maybe someone out there knows more?
There are a few reasons why there may not be any heat in a 2003 Dodge Ram 1500. Some of the reasons are a bad heater coil, blown fuses, or even a stuck thermostat.
And I though Risister should have been spelled "resistor"
2012 Ram 1500 wheels will fit on a 2003 .
NoNo
No.
No grease zerks on a 2003 Ram 1500.
Yes
No, it will not fit.
yes
Different body styles. Different springs 2001- drum brakes 2003- disc brakes.
One can purchase a 2003 Dodge Ram 1500 truck at ones local Chrysler Dodge dealer. There are many which one can choose from with colours and options varying.
I have a 2003 Dodge Ram 2500 and mine is on the fuel rail