PCM Locations
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For PCM Removal and Installation procedures, refer to ELECTRONIC ENGINE CONTROLS
.
- Focus - passenger side behind the kick panel.
- Five Hundred, Freestyle, Montego - engine compartment, driver side, mounted to the cowl.
- Taurus, Sable, Freestar, Monterey - behind the glove compartment (access from the engine compartment dash panel) on the passenger side.
- Mustang - front of engine compartment, passenger side, near fender, under the battery junction box.
- Crown Victoria, Grand Marquis, Town Car - engine compartment, driver side, fender mounted.
- LS, Thunderbird, Explorer, Mountaineer, Aviator - passenger side, near side cowl, behind the glove compartment.
- Ford GT - engine compartment, driver side, behind the driver seat, quarter panel mounted.
- Escape, Mariner, Explorer Sport Trac, Ranger - behind the instrument panel (cowl), center to both driver and passenger sides (access from the engine compartment).
- Expedition, Navigator, F-Series, F-Super Duty - passenger side of the engine compartment, mounted to the cowl.
- Excursion - lower dash panel on the driver side.
- E-Series - engine compartment, driver side, near the cowl (access from the engine compartment).
104-PIN PCM POWER AND GROUNDS
| Function | Description | Connector/Pin |
|---|---|---|
| VPWR | Voltage input to module | 71,97 |
| PWRGND | Power ground | 3,24,51,76,77,103 |
| CSEGND | Case ground | 25 |
| SIGRTN | Signal return | 91 |
| VREF | 5.0-volt reference | 90 |
| KAPWR | Keep alive power | 55 |
150-PIN PCM POWER AND GROUNDS
| Function | Description | Connector/Pin |
|---|---|---|
| VPWR | Voltage input to module | B32 |
| VPWR | Voltage input to module | B33 |
| PWRGND | Power ground | B24 |
| PWRGND | Power ground | B25 |
| PWRGND | Power ground | B26 |
| PWRGND | Power ground | B27 |
| CSEGND | Case ground | B43 |
| SIGRTN | Connector B signal return | B17 (B5 for LS/Thunderbird) |
| SIGRTN | Connector T signal return | T17 (T14 for LS/Thunderbird) |
| SIGRTN | Connector E signal return | E17 |
| VREF | Connector B buffered 5.0-volt reference | B20 (B55 for LS/Thunderbird) |
| VREF | Connector E buffered 5.0-volt reference | E20 (E14 for LS/Thunderbird) |
| KAPWR | Keep alive power | B44 |
150-PIN PCM POWER AND GROUNDS
| Function | Description | Connector/Pin |
|---|---|---|
| VPWR | Voltage input to module | B35 |
| VPWR | Voltage input to module | B36 |
| PWRGND | Power ground | B47 |
| PWRGND | Power ground | B48 |
| PWRGND | Power ground | B49 |
| CSEGND | Case ground | B10 |
| SIGRTN | Connector B signal return | B41 |
| SIGRTN | Connector T signal return | T41 |
| SIGRTN | Connector E signal return | E41 |
| VREF | Connector buffered 5.0-volt reference | B40 |
| VREF | Connector E buffered 5.0-volt reference | E40 |
| KAPWR | Keep alive power | B45 |
170-PIN PCM POWER AND GROUNDS
| Function | Description | Connector/Pin |
|---|---|---|
| VPWR | Voltage input to module | |
| VPWR | Voltage input to module | B35 |
| VPWR | Voltage input to module | B36 |
| VPWR | Voltage input to module | T39 |
| PWRGND | Power ground | B47 |
| PWRGND | Power ground | B48 |
| PWRGND | Power ground | B49 |
| PWRGND | Power ground | B50 |
| CSEGND | Case ground | B10 |
| SIGRTN | Connector B signal return | B41 |
| SIGRTN | Connector B signal return | B43 |
| SIGRTN | Connector E signal return | E33 |
| SIGRTN | Connector E signal return | E58 |
| SIGRTN | Connector T signal return | T41 |
| VREF | Connector B buffered 5.0-volt reference | B40 |
| VREF | Connector E buffered 5.0-volt reference | E57 |
| KAPWR | Keep alive power | B45 |
190-PIN PCM POWER AND GROUNDS
| Function | Description | Connector/Pin |
|---|---|---|
| VPWR | Voltage input to module | B51 |
| VPWR | Voltage input to module | B52 |
| VPWR | Voltage input to module | B53 |
| PWRGND | Power ground | B67 |
| PWRGND | Power ground | B68 |
| PWRGND | Power ground | B69 |
| PWRGND | Power ground | B70 |
| CSEGND | Case ground | B66 |
| SIGRTN | Connector B signal return | B58 |
| SIGRTN | Connector T signal return | T43 |
| SIGRTN | Connector E signal return | E58 |
| VREF | Connector B buffered 5.0-volt reference | B29 |
| VREF | Connector E buffered 5.0-volt reference | E57 |
| KAPWR | Keep alive power | B54 |