1994 3.9L V6 Ram 1500 Pickup PCM 60 Pin Connector
The PCM has a 60 pin connector and on the back side of the connector (wire side) are embossed a few numbers to further aid you in correctly identifying the pins (circuits).
IMPORTANT: The illustration above and pin-out table below apply only to: 1994 3.9L V6 Dodge Ram 1500 Pickup.
You can find this tutorial in Spanish here: Pines De La Computadora De La Inyección Electrónica (1994 3.9L V6 Dodge Ram 1500 Pickup) (at: autotecnico-online.com).
RELATED PCM PIN OUT CHARTS:
- PCM Pin Out Chart (1995 3.9L Dodge Ram 1500 Pickup).
- PCM Pin Out Chart (1996 3.9L Dodge Ram Pickup).
| 1994 3.9L V6 Ram 1500 Pickup PCM 60 Pin Connector | ||
|---|---|---|
| Terminal | Wire Color | Description |
| 1 | DK GRN/RED | MAP Sensor Signal |
| 2 | TAN/BLK | ECT Sensor |
| 3 | RED/WHT | 12 Volts (Battery Power) |
| 4 | BLK/LT BLU | Sensor Ground |
| 5 | --- | Not Used |
| 6 | VIO/WHT | 5V Supply (MAP Sensor, TPS Sensor) |
| 7 | ORG | 8V Supply (CKP Sensor, CMP Sensor, Vehicle Speed Sensor [VSS]) |
| 8 | --- | Not Used |
| 9 | LT GRN/BLK | 12 Volts (Ignition Voltage) |
| 10 | ORG/WHT | Trans Over-Drive Switch Feed |
| 11 | BLK/TAN | Chassis Ground |
| 12 | BLK/TAN | Chassis Ground |
| 13 | LT BLU/BRN | Injector #4 Driver |
| 14 | YEL/WHT | Injector #3 Driver |
| 15 | TAN | Injector #2 Driver |
| 16 | WHT/DK BLU | Injector #1 Driver |
| 17 | --- | Not Used |
| 18 | --- | Not Used |
| 19 | BLK/GRY | Ignition Coil Driver |
| 20 | DK GRN | Voltage Regulator |
| 21 | BLK/RED | Air Charge Temp Sensor |
| 22 | ORG/DK BLU | Throttle Position Sensor (TPS) Signal |
| 23 | --- | Not Used |
| 24 | GRY/BLK | Crankshaft Position (CKP) Sensor Signal |
| 25 | PNK | Datalink Transmit |
| 26 | --- | Not Used |
| 27 | BRN | A/C Damped Pressure Switch |
| 28 | --- | Not Used |
| 29 | WHT/PNK | Brake Sense |
| 30 | BLK/WHT | Starter Relay |
| 31 | PNK/BLK | Transmission Temperature Lamp |
| 32 | BLK/PNK | Malfunction Indicator Lamp (MIL) |
| 33 | TAN/RED | Vehicle Speed Control (Vacuum) |
| 34 | DK BLU/ORG | A/C Compressor Relay Ground |
| 35 | GRY/YEL | EGR Solenoid |
| 36 | --- | Not Used |
| 37 | LT GRN/ORG | Transmission Control |
| 38 | GRY | Injector #5 Driver |
| 39 | GRY/RED | IAC Motor |
| 40 | BRN/WHT | IAC Motor |
| 41 | BLK/DK GRN | Oxygen Sensor |
| 42 | VIO | Transmission Temperature Sensor |
| 43 | GRY/LT BLU | Tachometer Output |
| 44 | TAN/YEL | Camshaft Position (CMP) Sensor Signal |
| 45 | LT GRN | Data Link Receive |
| 46 | --- | Not Used |
| 47 | WHT/ORG | Vehicle Speed Sensor (VSS) Signal |
| 48 | BRN/RED | Vehicle Speed Control (SET/COAST) |
| 49 | YEL/RED | Vehicle Speed Control (IGN) |
| 50 | WHT/LT GRN | Vehicle Speed Control (RESUME/ACCEL) |
| 51 | DK BLU/YEL | Auto Shutdown (ASD) Relay |
| 52 | PNK/BLK | EVAP Purge Solenoid |
| 53 | LT GRN/RED | Vehicle Speed Control (Vent) |
| 54 | ORG/BLK | Transmission Control |
| 55 | BRN | Transmission Over Drive (OD) Solenoid |
| 56 | --- | Not Used |
| 57 | DK GRN/ORG | Auto Shutdown Relay Feed |
| 58 | BRN/DK BLU | Injector #6 Driver |
| 59 | VIO/BLK | IAC Motor |
| 60 | YEL/BLK | IAC Motor |
Safety Precautions
Here are some very important safety precautions when testing the wires coming out of the 60 terminal PCM connector.
- If one or any of the wires on your Dodge Ram pickup DO NOT match the color stated in the pin out charts, then you can conclude that it does not apply to your vehicle. If this is case, you shouldn't use it to diagnose your vehicle's problem.
- Never probe the front of the connector.
- You should use a wire piercing probe and probe the wire a few inches away from the connector.
- To see what this tool looks like: Wire Piercing Probe.
- If you don't use a wiring piercing probe, you should use a back probe on the PCM connector.
- You should use a wire piercing probe and probe the wire a few inches away from the connector.
- You should never disconnect any of the PCM connectors without first disconnecting the battery negative (-) terminal.
Disclaimer
I've made every effort to double and triple check the above info (and in the next couple of pages) and I've used the best sources to compile it but nothing in life is perfect.
I don't have a staff of proof readers or editors, I'm just a little guy typing this stuff up in my spare time to help and give back to the Do-It-Yourself community. So without further ado, here's my disclaimer:
© copyright Abraham Torres-Arredondo: This information is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
If you do spot errors, please let me know. You can use the contact form at the end of the article.
If this info saved the day, buy me a beer!
