2000 Mercury Cougar Electrical System:alternator/generator/regulator Problems

NHTSA component category: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR · data through 07/12/2026

20Electrical System:alternator/generator/regulator complaints

9.5%Of all 211 complaints

#3Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How electrical system:alternator/generator/regulator ranks on this vehicle

ELECTRICAL SYSTEM25 · 11.8%

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP23 · 10.9%

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR20 · 9.5%

VEHICLE SPEED CONTROL13 · 6.2%

FUEL SYSTEM, GASOLINE13 · 6.2%

Share of the 211 complaints citing each category; one complaint can cite several. Full breakdown on the 2000 Mercury Cougar overview page.

What owners report

“I HAVE A 2000 MERCURY COUGAR THAT I BOUGHT BRAND NEW AND HAS BEEN SERVICE FAITHFULLY BY A DEALERSHIP. BUT RECENTLY IN THE PAST 2…”NHTSA complaint 10081251 — filed 07/17/2004

“WITH LITTLE OR NO WARNING, MY CAR'S ELECTRICAL SYSTEM WILL START FAILING. LIGHTS WILL DIM, RPM AND SPEED GAGES RESET AND THE CAR STALLS. THE…”NHTSA complaint 10080742 — filed 07/10/2004

“POWER WINDOWS DIDN'T WORK AS FAST, AND EVENTUALLY THE CAR WOULDN'T START. THE SAME THING HAPPENED NOT TWO MONTHS LATER. IT TOOK EIGHT DAYS TO…”NHTSA complaint 10064101 — filed 03/29/2004

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Electrical System:alternator/generator/regulator complaints by year filed

Frequently asked questions

Does the 2000 Mercury Cougar have electrical system:alternator/generator/regulator problems?

Electrical System:alternator/generator/regulator is the #3 most-reported problem area on the 2000 Mercury Cougar: 20 of 211 complaints on file (9.5%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2000 Mercury Cougar have in total?

211 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 18 involved a crash, 10 involved a fire, 17 reported injuries, and none reported deaths.

What does NHTSA's electrical system:alternator/generator/regulator category include?

NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.