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.
1993 Cadillac AllanteFACTORY OEM SERVICE PROCEDURE
Component Locations
NOTE:
For more information on component locations, including grounds, see 1993 ALLANTE
COMPONENT LOCATIONS article.
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| A/C High Side Temperature Sensor | Rear Of Engine Compartment |
| A/C Low Side Temperature Sensor | Rear Of Engine Compartment |
| Battery Compartment Micro Relay Center | Behind Passenger Seat, On Quarter Panel. See Fig 1 . |
| Body Computer Module (BCM) | Front Of Console. See Fig 2 . |
| Data Link Connector (DLC) | At Left Kick Panel. See Fig 3 . |
| Diagnostic/Energy Reserve Module (DERM) | Above Brake Pedal. See Fig 4 . |
| In-Car Temperature Sensor | Center Of Instrument Panel |
| Heater & A/C Programmer | Behind Right Side Of Instrument Panel. See Fig 5 . |
| Powertrain Control Module (PCM) | Behind Right Side Of Instrument Panel. See Fig 6 . |
| RAP Ignition 3 Relay | Center Of Console. See Fig 7 . |
| Sunload Sensor | Top Center Of Instrument Panel |
| Theft Deterrent Module | Behind Left Side Of Instrument Panel. See Fig 8 . |
| Twilight Photocell | Top Center Of Instrument Panel |
| Vehicle Speed Sensor | Lower Rear Of Engine. See Fig 9 . |
| Wheel Speed Sensor | Right Front Wheel House (Left Side Similar) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.