Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCADILLAC1993DEVILLE BASE, 4D SEDANREPAIR AND DIAGNOSISBODY & FRAMESEATS - POWER MEMORYCOMPONENT LOCATIONS
1993 Cadillac DeVille Base, 4D Sedan
Component Locations
1993 Cadillac DeVille Base, 4D SedanSECTION Component Locations
NOTE:
For more information on fuse and circuit breaker identification, see 1992 FUSES & CIRCUIT BREAKERS
, 1993 FUSES & CIRCUIT BREAKERS - FLEETWOOD
or 1993 FUSES & CIRCUIT BREAKERS - DEVILLE
article in ELECTRICAL.
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| Diagnostic Connector | Below Left Front Seat, Taped To Body Main Harness. See Fig 1 . |
| Forward/Back Motor | Below Respective Front Seat. See Fig 2 . |
| Forward/Back Motor Transmission Position Sensor | Below Respective Front Seat |
| Front Height Motor | Below Respective Front Seat. See Fig 2 . |
| Front Height Motor Transmission Position Sensor | Below Respective Front Seat |
| Headrest Motor | Left Rear Portion Of Respective Front Seat. See Fig 3 . |
| Instrument Panel (Instrument Panel) Fuse Block | Left Side Of Instrument Panel, Behind Access Door. See Fig 4 . |
| Lower Lumbar Heater | Below Rear Of Respective Front Seat |
| Neutral Safety Backup Switch | Left Rear Of Engine, Top Of Transaxle. See Fig 5 . |
| Pneumatic Control Module | Under Respective Front Seat. See Fig 6 . |
| Rear Height Motor | Below Respective Front Seat. See Fig 2 . |
| Rear Height Motor Transmission Position Sensor | Below Respective Front Seat |
| Seat Air Pump Assembly | Under Respective Front Seat. See Fig 6 . |
| Seat Bottom Heater | Below Rear Of Respective Front Seat |
| Seat Memory Module | Under Right Side Of Left Front Seat. See Fig 1 and Fig 2 . |
| Seat Recliner Capacitors | Under Respective Front Seats, In Seat Recliner Motor Connectors. See Fig 7 . |
| Seat Recliner Motors | Under Respective Front Seats. See Fig 7 . |
| Seat Solenoid/Valve Assembly | Under Respective Front Seat |
| C109 (7 Cavities) | Left Side Of Engine Compartment, Left Of Transaxle |
| C228 (10 Cavities) | At Left Front Door Sill |
| C290 (8 Cavities) | Below Center Console |
| C300 (2 Cavities) | Below Left Front Seat |
| C301 (10 Cavities) | At Right Front Door Sill |
| C302 (2 Cavities) | Below Right Front Seat |
| C304 (10 Cavities) | Bottom Of Right Shroud, At Door Sill |
| C305 (6 Cavities) | Below Left Front Seat |
| C306 (6 Cavities) | Below Right Front Seat |
| C321 (4 Cavities) | Below Left Front Seat |
| C322 (4 Cavities) | Below Right Front Seat |
| C326 (2 Cavities) | Below Rear Of Left Front Seat |
| C327 (2 Cavities) | Below Rear Of Left Front Seat, At Lower Lumbar Heater |
| C328 (2 Cavities) | Below Rear Of Right Front Seat |
| C329 (2 Cavities) | Below Rear Of Right Front Seat, At Lower Lumbar Heater |
| G200 | Top Of Left Shroud, Behind Kick Panel. See Fig 8 . |
| G201 | Top Of Right Shroud, Behind Kick Panel. See Fig 9 . |
| P100 | Left Rear Of Engine Compartment, Front Of Dash |
| P500 | Front Of Left Front Door, Near Shroud |
| P600 | Front Of Right Front Door, Near Shroud |
| S208 | Body Main Harness, Behind Center Of Instrument Panel |
| S224 | Body Main Harness, Behind Instrument Panel, Left Of Steering Column |
| S225 | Body Main Harness, Behind Fuse Block |
| S229 (IDC) | Body Main Harness, Behind Left Side Of Instrument Panel, In Dash Channel Near Top Of Shroud |
| S238 | Body Main Harness, Top Of Right Shroud |
| S239 | Body Main Harness, Behind Instrument Panel, Left Of Steering Column |
| S248 (IDC) | Body Main Harness, Middle Of Right Shroud |
| S252 (IDC) | Body Main Harness, Middle Of Right Shroud |
| S275 | Memory Seat Jumper Harness, Below Left Front Seat |
| S276 | Memory Seat Jumper Harness, Below Left Front Seat |
| S310 | Body Main Harness, Below Left Front Seat |
| S380 | Power Seat Recliner Harness, Under Left Front Seat |
| S381 | Power Seat Recliner Harness, Under Right Front Seat |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.