Under the hood, drivers side next to the battery is a black cover. inside are all the relays and a chart showing which is which is under the lid.
A 1999 Dodge Ram does not have a water control valve.
The heater hoses are 5/8 inch diameter.
heater core
It is inside the HVAC housing, under the dash.
Dodge does not use inertia/reset switches
how do I replace block heater on 1995 dodge ram 2500
electrolisis, bad head gasket, bad radiater
The heater box is all electric on a 2004 Dodge Ram.
A 1999 Dodge Ram transmission does not have an input speed sensor
#2 warm air heater relay wiring fault
No
A 1999 Ram does not have EGR.