Общее

Auto Electric Repair — https://www.autoelectricrepair.com/
Automotive Electricals — https://www.autoelectricals.com/
The 12 Volt Guy — https://12voltguy.com/

Диагностика и ремонт

Car Bibles — https://www.carbibles.com/electrical-system/
EricTheCarGuy — https://www.ericthecarguy.com/category/electrical/
YourMechanic — https://www.yourmechanic.com/services/car-electrical-system-inspection

Схемы и техническая документация

AllDataDIY — https://www.alldatadiy.com/
Mitchell 1 — https://www.mitchell1.com/
Chilton Auto Repair — https://www.chiltonlibrary.com/

Электроника автомобиля

Automotive Electronics Headquarters — https://aehq.com/
Hackster.io — https://www.hackster.io/search?q=automotive+electronics
Adafruit Learning Systems — https://learn.adafruit.com/category/automotive

Форумы и сообщества

Auto Electric Asylum — https://www.autoelectricasylum.com/
Automotive Electric Forum — https://www.automotiveelectricforum.com/
IH8MUD Land Cruiser Forum — https://forum.ih8mud.com/forumdisplay.php?f=16

Обучение

Udemy — https://www.udemy.com/topic/automotive-electronics/
Coursera — https://www.coursera.org/specializations/automotive-electronics-engineering
LinkedIn Learning — https://www.linkedin.com/learning/paths/automotive-electronics-basics