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Electrical systemPart report

1998 Cadillac Deville Electrical system Problems

Complaints
21about this part
Share
9%of 237 total for the year
Median mileage
50,150miles
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.

NHTSA recorded 21 complaints about the electrical system of the 1998 Cadillac Deville, 9% of the 237 complaints for this model year. Where a mileage was given, the median is 50,150 miles. 1 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“In 2001, the right headlight lens on my 1998 Cadillac Deville fell off. The dealer, heritage Cadillac, replaced the headlight assembly at no cost, since the car was still under warranty. On 11/6/04, the left headlight assembly fell off. I have not yet discussed the problem with the dealer.”

NHTSA complaint #10098543, filed 2004-11, 70,000 miles

“Dt: while driving down the road there was an oil leak and vehicle lost about 7 quarts of oil. This got all over the motor, muffler, and the road. There was a strong burning smell, but did not catch on fire. Mechanic told consumer that was the oil pressure sensor. Has not yet been repaired, but the whole engine will need replacement. For new engine and clean up it would cost $8,400.00 .”

NHTSA complaint #10122024, filed 2005-05, 47,000 miles

“According to a local Cadillac dealers service manager-the ignition has a theft deterent system that has a wire that often comes loose causing the vehicle to be unstartable and thus leaves the driver stranded. The service manager tells me that he has done several of these and doesnt know why there is no recall.”

NHTSA complaint #10078303, filed 2004-06, 122,121 miles

“The ABS traction control was not working and the dealer was unable to resolve the problem. The vehicle has been in and out of this dealer repair shop for this problem since aug. 2002 and the intermittent problem with brake failures and extended braking distance keep recurring. Anntena stuck up. Power antenna assembly replaced. Oil level low and oil light is on. There was no reading on the dipstick. Had to add two quarts of oil after driving 1500 miles. Oil life indicator was reset. Piston, rod and oil rings replaced. Drivers side headlight cover fell off with bulb burnt out. …”

NHTSA complaint #10108720, filed 2005-03, 10,000 miles

“I was informed that my spark plugs wires were burning with only 46,000 miles on this car. And the wires in the back of the engine are in a very bad way. I also was told that a spark could ignite from the engine at any time, and cause an immediate fire.”

NHTSA complaint #747897, filed 2001-07

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
20053436%
20044728%
20035236%
20024526%
20014526%
20006027%
19992011%
1998219%
19972810%
1996178%
19952016%
19941512%
19931112%
19921612%
19911113%
199057%
1989510%
198827%
198738%
198629%
198515%
1984117%

Other parts of the 1998 Cadillac Deville

Exterior lighting
43 complaints
Brakes
36 complaints
Air bags
34 complaints
Engine cooling
33 complaints
Visibility (wipers, defrost, mirrors)
17 complaints
Fuel system
16 complaints
Steering
15 complaints
Suspension
13 complaints
Vehicle speed control
11 complaints
Other or unknown
10 complaints
Transmission and drivetrain
8 complaints
Equipment
5 complaints

← All problems reported for the 1998 Cadillac Deville

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology