Free ASE A6 Practice Test: Electrical/Electronic Systems
A6 is the longest A-series test: 50 scored questions in 90 minutes. Voltage drop, current draw, parasitic drain, network communication and body electrical diagnosis carry the most weight.
50 Electrical/Electronic Systems questions in 75 minutes, ASE’s pace, scored by content area with a worked explanation for every answer.
Or start with a free A6 drillOne door lock actuator does not operate, while all of the others work. Technician A says the next step is to check for voltage at the actuator connector when lock and unlock are commanded. Technician B says that if correct voltage and ground are present at the connector, the actuator is most likely faulty. Who is right?
ASE A6 test format
- Scored questions
- 50
- Unscored research questions
- 10
- Time
- 90 min
- Recertification test
- 25 Qs · 45 min
The unscored questions are mixed in and not marked, so you can’t tell which ones count. Our full A6 practice test gives you the 50 scored-question count in 75 minutes, the same pace as the real test.
What’s on the A6 test
ASE’s task list splits the A6 into 5 content areas. Your score report shows how you did in each one.
| Content area | Scored questions | Share |
|---|---|---|
| A. General Electrical/Electronic Diagnosis | 13 | 26% |
| B. Battery and Starting Systems | 9 | 18% |
| C. Charging System | 5 | 10% |
| D. Lighting Systems | 6 | 12% |
| E. Body Electrical Systems | 17 | 34% |
Take the A6 under real time limits
50 Electrical/Electronic Systems questions in 75 minutes, ASE’s pace, scored by content area with a worked explanation for every answer.
Or start with a free A6 drillFree A6 practice drills
Ten questions with the explanation after each answer. Create a free account to save your results; each drill’s first attempt is free.
ASE A6 questions
How many questions are on the ASE A6 test?
A6 has 50 scored questions plus 10 unscored research questions, 60 in total, with 90 minutes.
What is the biggest part of the A6 test?
Body electrical systems, with 17 of the 50 scored questions. General electrical diagnosis adds 13, so those two areas make up 30 of the 50 scored questions.
Ready for test day?
50 Electrical/Electronic Systems questions in 75 minutes, ASE’s pace, scored by content area with a worked explanation for every answer.
Or start with a free A6 drillOther ASE practice tests
- ASE A1 Engine Repair practice test
- ASE A2 Automatic Transmission/Transaxle practice test
- ASE A3 Manual Drive Train and Axles practice test
- ASE A4 Suspension and Steering practice test
- ASE A5 Brakes practice test
- ASE A7 Heating and Air Conditioning practice test
- ASE A8 Engine Performance practice test
- ASE G1 Auto Maintenance and Light Repair practice test
- All ASE practice tests
Format and content areas are from ASE’s published study guide, checked October 2026: ASE Automobile & Light Truck Study Guide (A1–A9) · ASE A Series test page.
Original independent practice written from ASE’s public task list. Not affiliated with or endorsed by the National Institute for Automotive Service Excellence (ASE) or Prometric.