Braddock's Black Book — Book II: The Diagnostics Book

Stop paying the dealer's diagnostic fee — find the fault yourself.

The Diagnostics Book is Book II of Braddock's Black Book: a plain-English, no-fluff guide to diagnosing and fixing your Harley's electrical and system problems in your own garage, written by a mechanic with 40 years in his own shop. Covers Evo, Twin Cam, and Milwaukee-Eight.

Inside you'll get:

- The bike's hidden factory self-diagnostic mode — how to enter it and pull codes with no dealer tool

- How to read and clear your own codes with a $20 reader — skip the diagnostic fee for good

- Charging & stator tests that catch a dead battery before it strands you (with the exact readings)

- The no-start decision tree that walks you straight to the problem

- Brake and fluid jobs, step by step

- Wiring and electrical-gremlin troubleshooting, plus a common-codes cheat table

No filler. No dealer markup. Just the exact tests a 40-year mechanic uses to find the fault fast.

Instant digital download. 7-day money-back guarantee — if it doesn't save you more than it cost, you get your money back.

(Educational content. Always follow your motorcycle's service manual and use proper safety equipment.)