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Electrical systemPart report

1991 Isuzu Trooper Electrical system Problems

Complaints
7about this part
Share
12%of 57 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the electrical system of the 1991 Isuzu Trooper, 12% of the 57 complaints for this model year. 4 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

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

“I have had a history (documented) of electrical/transmission problems with my 1991 Isuzu Trooper. On 11/95, a faulty computer control panel caused my transmission to fail. I had a week left on my powertrain warranty. Took the vehicle to Isuzu santa monica. They replaced the computer panel under warranty on 11/95. 15 months later, my transmission was failing again. Same symptoms. This time, I spent $2,000 to have it repaired. Isuzu refused to take responsibility. On 6/12/99, without warning, the engine started smoking and within seconds the entire engine was on fire. The fire dept. …”

NHTSA complaint #707676, filed 1999-06

“I just exited the hollywood freeway when suddenly without warning the 1991 Isuzu Trooper caught on fire. I was able to get to the side of the road, and get out.the fire appeared to be underneath the truck with gas or some other liquid pouring out. The passenger side front tire melted and exploded, then there was a second explosion. All the parts of the engine, battery etc. Were in flames. Two fire trucks and police cars were dipatched. It was a very big blaze. The truck has been declared a total loss. Our insurance compnay cannot determine what caused the fire since the damage is so extensive. …”

NHTSA complaint #707651, filed 1999-06

“Under hood fire, cause unknown. Consumer states there was no collsion, no warning, lights on the panel were activated and there was no sudden acceleration.deceleration noticed, no noises, consumer was at stop light and noticed black smok from the engine and he promptly turned off engine and released the hood, consumer observed the fire in its entirety, starting from the engine moving to the back of the vehicle prior to incident consumer had numerous problems right rear bumper, brake lights were not working fuses had to be replaced, rear arm rest, entire hydralic system needed to be replaced…”

NHTSA complaint #985059, filed 1996-05

Electrical system: other model years

YearComplaintsShare of year
200218%
2001310%
200024%
199956%
199837%
1995611%
1994511%
1993412%
199214%
1991712%
1990313%
198916%

Other parts of the 1991 Isuzu Trooper

Engine cooling
13 complaints
Transmission and drivetrain
12 complaints
Wheels
8 complaints
Fuel system
6 complaints
Vehicle speed control
5 complaints
Tires
4 complaints
Brakes
3 complaints
Exterior lighting
2 complaints
Seat belts
2 complaints
Body and structure
2 complaints
Suspension
2 complaints
Other or unknown
1 complaints

← All problems reported for the 1991 Isuzu Trooper

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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