The engine computer is behind the battery.
Next to the oil filter.
Dodge doesn't use fuel switches. The fuel system is computer controlled with relays.
all idle speeds arfe controlled by the computer and are not adjustable.
The engine computer is the voltage regulator on a 1991 Dodge.
The voltage regulator is located in the Single Board Engine Controller (SBEC or ECM). If you have to replace it, you have to replace the computer. The computer has the voltage regulator in it. The alternator gets feedback from the computer to produce more of less voltage.
The PCV valve on a 1991 Dodge Dynasty 3.0 engine is on the passenger side of the vehicle. It is on the crankcase.
The blower motor is located on the passenger side up under the glove box.
Its located under the hood in the right hand cowl behind the windshield washer bottle.........
The engine computer is also the regulator, it is behind the battery. Not on the 1991 Dodge Cummins, the voltage regulator is located on the firewall. On the 1991 gas burner, it is in the ECM.
The engine computer is also the regulator.
I believe its 6"
a diagram for a 1991 dodge dynasty w a 6 cylinder 3point 3 liter engine