Question about 1998 Cadillac DeVille

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Seat sensor where can I find a replacement 1998 DeVille power seat sensor switch?

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  • mcast71907 Mar 19, 2014

    TRY ROCKAUTO.COM PRETTY GOOD BET THEY CAN HELP YOU

  • Steve Astbury
    Steve Astbury Mar 19, 2014

    I.would.check.with.a.junk.yard

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  • Cadillac Master
  • 40,820 Answers

Best place if you cannot get new is the wreckers that specialises in your vehicle.

Posted on Mar 19, 2014

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1 Answer

Crankshaft sensor in a 2002 cadillac deville are still coming up after I replace them


check connectors must be fully seated and each wires between crankshaft sensor and Power Control Module...

Sep 21, 2013 | 2002 Cadillac Deville

1 Answer

THE "SWITCH" GOES BAD EVERY


Please look at the list below, keeping in mind that this is not an exhaustive list of the switches that your vehicle is equipped with. After staring at the list for a while, tell me what is wrong with your question.

>> A/C High Pressure Switch
>> A/C Low Pressure Switch
>> A/C Refrigerant Pressure Sensor / Switch
>> Ambient Temperature Sensor / Switch HVAC
>> Blower Motor Switch
>> Brake Fluid Level Sensor/Switch
>> Brake Fluid Pressure Sensor/Switch
>> Brake Light Switch
>> Brake Switch (Cruise Control)
>> Cabin Temperature Sensor / Switch
>> Combination Switch
>> Coolant Temperature Sensor/Switch (For Computer)
>> Cruise Control Switch
>> Door Jam Switch
>> Door Sensor/Switch (For Alarm)
>> Door Switch
>> Driver Information Center (DIC) Switch
>> Engine - Coolant Temperature Sensor/Switch
>> Fluid Pressure Sensor/Switch
>> Fog/Driving Lamp Switch
>> Fuel Door Switch
>> Garage Door Opener Switch
>> Glove Box Lamp Switch
>> Hazard Warning Switch
>> Headlamp Dimmer Switch
>> Headlamp Switch
>> Heated Glass Element Switch
>> High Pressure Sensor / Switch
>> Hood Switch / Sensor
>> Horn Switch
>> Ignition Switch
>> Ignition Switch, Buzzer
>> Low Pressure Sensor / Switch
>> Neutral Safety Switch
>> Parking Brake Release Switch
>> Parking Brake Warning Switch
>> Power Door Lock Switch
>> Power Mirror Switch
>> Power Seat Switch
>> Power Window Switch
>> Pressure Cycling Switch
>> Rear Defogger Switch
>> Refrigerant Pressure Sensor / Switch
>> Remote Switch
>> Seat Belt Buckle Switch
>> Seat Heater Switch
>> Seat Memory Switch
>> Shift Interlock Switch
>> Sunroof / Moonroof Switch
>> Telescoping Wheel Switch
>> Tilt Wheel Switch
>> Traction Control Switch
>> Transmission Mode Switch
>> Transmission Temperature Sensor/Switch, A/T
>> Trunk / Liftgate Switch
>> Trunk/Liftgate Sensor/Switch (For Alarm)
>> Turn Signal Switch
>> Underhood Lamp Switch
>> Valet Switch
>> Washer Fluid Level Switch
>> Windshield Washer Switch

Aug 17, 2011 | 2001 Cadillac DeVille

1 Answer

1998 cad. deville engine fans only work when a/c is on. i took temp sensor plug off and jump it fan worked. when out and got temp sensor put it in still didnt work


On some models, when A/C is used the temp switch gets by-passed so that the fan runs.
Without the A/C, the fan may cycle on and off.
If it doesn't cycle, maybe the temp sensor needs to be replaced or at least tested...

Aug 15, 2011 | 1998 Cadillac DeVille

2 Answers

Why would the drivers seat not move forward but still go up or down on a 1998 Cadilac Deville?


This is due to a bad switch or seatmotor, the seat uses diffrent motors to control the seat so seat can still tilt but not move back or forward, this best way to know which ic the problem is with a testlight, hold the switch to move forward or back and test for power and a ground to that motor, if theres power and ground then motor is bad, if theres no power then switch is bad, hope this helps.

Sep 04, 2010 | 1998 Cadillac DeVille

3 Answers

1998 Cadillac Deville low refrigerant a/c


I have a 1999 Cadillic Deville. The low Frefrigerant indicater come on after about 15 minutes of disconnecting the battery power. Each Time I reset the power the air conditioner comes back on for a while then goes out. I have taken it into the local auto repair place and they find no problem with the unit.
Could this be a intermittent connection to the computer. They have replaced both sencors and the problem persists. Where is the computer located on the car that handles this AC sensor message?

Jun 18, 2010 | 1998 Cadillac DeVille

2 Answers

1998 cadillac deville fans not coming on starts


If your fans are not coming on then your engine is not receiving the signal that it is overheating. This can be caused by bad fans (unlikely they are both out) a bad relay, or coolant temperature sensor. I would start by checking or replacing the temperature sensor as it can become corroded which is what the PCM uses to turn the fans on. Many vehicles use two sensors, one for the gauge and the other for the ECU, make sure you check/replace the right one. It should be a cheaper part and if you are unsure then match the new one with its location; it should be on the intake manifold or near it, generally with one or two wires. I think you will find your problem as they are common failed parts.

Good luck!

Aug 30, 2009 | 1998 Cadillac DeVille

1 Answer

Horn and power seats quit working. maxi-fuse extremely hot. pulled it out and re-inserted after it cooled down. fixed the problem temporarily (a day or so). swapped that maxi-fuse with the one above it...


which maxi fuse gets hot ? # fuse , plus amps The power seats uses a 30 amp circuit breaker ,not a fuse . The horn gets power from the same circuit breaker . . Sounds like something is drawing to much current. Do you know how to use a amp meter to test current flow . Disconnect componets till draw goes away ? How to use a wiring diagram to pin point areas in a circuit to test ?
Is there corrosion on the pins where the seat circuit breaker plugs into ? Reach under your seats an see if one of the seat motors is hot .
DeVille
The left and the right power seat system consist of the following components:
• The seat switches
• The seat relay modules
• The 4 reversible motors:
- The front vertical motor
- The rear vertical motor
- The horizontal motor
- The recline motor
These 4 motors operate independently of each other.
When the entire seat switch is pushed to the FORWARD position, the forward input of the of the seat relay is grounded.
The seat relay module supplies battery positive voltage (B+) with a ground to the horizontal motor, in response to this input. In order to drive the seat forward, the motor runs until the switch is released.
The BACK position works similar to the FORWARD position with the exception that the voltage polarity supplied by the seat relay module is reversed causing the motor to run in the opposite direction. This action drives the seat backward.
These recline switches operate similar but independently:

The seat relay module could be bad , If you don't know how to do automotive electrical circuit testing it mite be a good idea for you to take your vehicle to a qualified repair shop.
Could have diagnostic trouble codes stored as well .
DTC B0846 +5 Volt Reference Out of Range
DTC B0856 Battery 2 Out of Range
DTC B1656 EEPROM Write Error
DTC B1658 EEPROM Checksum Error
DTC B1982 Source/Battery Voltage High
DTC B1983 Source/Battery Voltage Low
DTC B2101 Recline Aft Switch Failed (Eldorado)
DTC B2101 Recline Aft Switch Failed (DeVille)
DTC B2102 Recline Forward Switch Failed (Eldorado)
DTC B2102 Recline Forward Switch Failed (DeVille)
DTC B2103 Rear Vertical Down Switch Failed (Eldorado)
DTC B2103 Rear Vertical Down Switch Failed (DeVille)
DTC B2104 Rear Vertical Up Switch Failed (Eldorado)
DTC B2104 Rear Vertical Up Switch Failed (DeVille)
DTC B2105 Horizontal Aft Switch Failed (Eldorado)
DTC B2105 Horizontal Aft Switch Failed (DeVille)
DTC B2106 Horizontal Forward Switch Failed (Eldorado)
DTC B2106 Horizontal Forward Switch Failed (DeVille)
DTC B2107 Front Vertical Down Switch Failed (Eldorado)
DTC B2107 Front Vertical Down Switch Failed (DeVille)
DTC B2108 Front Vertical Up Switch Failed (Eldorado)
DTC B2108 Front Vertical Up Switch Failed (DeVille)
DTC B2109 Lumbar Aft Switch Failed
DTC B2110 Lumbar Forward Switch Failed
DTC B2111 Lumbar Down Switch Failed
DTC B2112 Lumbar Up Switch Failed
DTC B2115 Recline Sensor Failed
DTC B2116 Rear Vertical Sensor Failed
DTC B2117 Horizontal Sensor Failed
DTC B2118 Front Vertical Sensor Failed
DTC B2119 Lumbar Forward/Aft Sensor Failed
DTC B2120 Lumbar Up/Down Sensor Failed
DTC 2130 Seat Motor Failure

Aug 10, 2017 | 1997 Cadillac DeVille

1 Answer

My 1998 cadillac deville problem cooling fans dont engage.


check the relay that controls it it should be located under the back seat or posibly in the trunk. do u have the owners manual? look in thair first it will tell you exactly where it is. also try disconecting the temp sensor and see if the fans kick on then if not replace relay.

Jul 13, 2009 | 1998 Oldsmobile Silhouette

1 Answer

How to remove front buckets from a 1998 cadillac dellvil


2 bolts in the front and two in the rear of each seat, 10 minute job, disconnect wiring under seat, take care not to break the locks on the connectors for the power seats.

Dec 19, 2008 | 1998 Cadillac DeVille

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