This ASE T6 cheat sheet compresses the ASE Electrical/Electronic Systems (Medium/Heavy Truck certification test into a printable rundown of the facts ASE tests most. It's a premium cheat sheet built by Capital Prep — the one premium prep we trust — and it's yours free. Reinforce it with the rest of your free ASE T6 toolkit: the practice test, study guide, and flashcards.
ASE T6 exam at a glance
- Questions: 60 total (50 scored + 10 unscored research questions)
- Time: 90 minutes
- Result: Pass/Fail, with a per-content-area performance breakdown
- Cost: $34 registration per order + $62 per general test (verify at ase.com)
- Experience: 2 years of relevant hands-on work experience, or 1 year plus a qualifying two-year degree
What’s on the ASE T6 cheat sheet
- General Electrical/Electronic System Diagnosis (14 of 50 — 28%) — THE largest area and the foundation of every other area, voltage-drop testing, sort every complaint into one of three faults.
- Battery & Starting System Diagnosis & Repair (13 of 50 — 26%) — the SECOND-largest area, state-of-charge by open-circuit voltage, battery testing.
- Charging System Diagnosis & Repair (9 of 50 — 18%) — A focused, high-yield area, ALWAYS check the drive belt FIRST when output is low, charging voltage at the battery, engine running, should be.
- Lighting Systems Diagnosis & Repair (7 of 50 — 14%) — vibration- and weather-driven faults dominate, the key skill, A poor ground makes lamps DIM or FLICKER.
- Related Vehicle Systems Diagnosis & Repair (7 of 50 — 14%) — the body, cab, chassis, and electronic systems that hang off, on a MULTIPLEXED truck, one switch input is read by a body, on-board diagnostics.
How to use it in your final week
- Front-load General Electrical/Electronic System Diagnosis — at 14 of the 50 scored questions it is about 28% of the test on its own, so if you master one section from the sheet, make it this one.
- Then work Battery & Starting System Diagnosis & Repair (13 of 50) — the sheet leads there with the SECOND-largest area.
- Then work Charging System Diagnosis & Repair (9 of 50) — the sheet leads there with A focused, high-yield area.
- Drill the reversal traps until they are reflex — the most commonly flipped one on this test is measuring resistance with the key OFF to find a bad cable.
- Read the sheet the morning of your appointment for a last pass on the memory hooks, then answer every one of the 60 questions — 10 are unscored research items and you are not told which.
The cheat sheet is your review layer — your ASE T6 practice test drives the exam-readiness ring at the top of this page. Download it, review, then take a full practice exam (or drill with the study guide and flashcards) to see where you stand.
ASE T6 cheat sheet FAQ
Yes — the ASE T6 cheat sheet downloads as a PDF at no cost and with no sign-up. It sits alongside Career Employer's free ASE T6 practice test, study guide, and flashcards, so your whole Electrical/Electronic Systems (Medium/Heavy Truck prep is free in one place.
It condenses the highest-yield Electrical/Electronic Systems (Medium/Heavy Truck facts into a fast reference, covering all 5 ASE content areas for this test with their exact question counts — from General Electrical/Electronic System Diagnosis through Related Vehicle Systems Diagnosis & Repair — plus the memory hooks and reversal traps ASE tests most.
ASE's official study guide lists T6 as 60 total questions with 50 scored in 90 minutes. The other 10 are unscored research questions ASE uses to build future tests, and you are not told which ones they are — so answer every question.
It is built from ASE's current test specifications and task list for Test T6, including the published per-area question counts. ASE revises task lists periodically, so confirm the live specification at ase.com before test day.
No — the sheet is a cram and review layer, not a full course. ASE also requires two years of relevant hands-on work experience (or one year plus a qualifying two-year degree) for certification, so use the sheet to lock in facts, then work full domain-weighted practice tests to find and fix weak areas.
ASE charges a $34 registration fee per order plus $62 per general test such as T6. A retake is a new test purchase, so verify current pricing on ASE's Dates, Fees & Test Times page before you register.
General Electrical/Electronic System Diagnosis — it is 14 of the 50 scored questions, about 28% of the test and the largest single area. Battery & Starting System Diagnosis & Repair is next at 13 questions.
Click the download button or the preview card at the top of this page to open the PDF instantly. Bookmark the page so you can pull it up again the morning of your test appointment.
References
- 1.National Institute for Automotive Service Excellence (ASE). “The Official ASE Study Guide — ASE Medium/Heavy Truck Tests (T1–T8).” ase.com, 2026. ↑
- 2.National Institute for Automotive Service Excellence (ASE). “ASE T6 (Electrical/Electronic Systems (Medium/Heavy Truck)) Certification Test.” ase.com, 2026. ↑
- 3.National Institute for Automotive Service Excellence (ASE). “Dates, Fees & Test Times.” ase.com, 2026. ↑
- 4.National Institute for Automotive Service Excellence (ASE). “Work Experience Requirements for ASE Certification.” ase.com, 2026. ↑
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