A/C APPLICATION TABLE
| Item | Description | Notes |
|---|---|---|
| Vehicle | DR-Ram Truck | |
| System | R134a w/ fixed orifice tube | |
| Compressor | Saden SD-7 | SP-15 PAG oil |
| Freeze-up Control | A/C Fin Sensor | Evaporator mounted |
| High psi Control | 475 psi A/C cut out | Discharge line |
| Control Head | Electronic | Software - J2190 |
| Mode Door | Electric | |
| Blend Door | Electric | |
| Recirculation Door | Electric | |
| Blower Motor | Hardwired to control head | Resistor block |
| Cooling Fan | Viscous for cooling with a single speed electric for A/C for 3.7, 4.7 and 5.7L gas engines. Viscous for both cooling and A/C with 5.9L diesel engine and 8.0L gas engine. | |
| Clutch | Electromechanical | |
| Control | Relay | PCM |
| Draw | 2 - 3.7 amps @ 12V | +/- 0.5V @ 70° F |
| Gap | 0.016Prime- 0.031Prime | |
| DRB III(R) | ||
| Reads | TPS, RPM, A/C switch test | |
| Actuators | Clutch and fan relay |
TEMPERATURE REFERENCE CHART