Jorge Menchu’s Article “Wire Diagram Color Coding” – https://www.aeswave.com/Articles-by-Jorge-Menchu-17.html

Learning how to read a wiring diagram is comparable to learning a foreign language. Instead of learning new words, we learn symbols and acronyms. In part 1 of this multi-part series, we take you through the basics of the automotive wiring diagram. Enjoy!

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42 Comments

  1. I'm used to schemetics for electronics yet wiring digrams can be a mystery at the start.

  3. This video helped me a lot. I had no idea where to start when trying to teach myself about wiring diagrams and car electronics.

  6. I'd love to know what the 100 or so people that gave the thumbs down were expecting?

  7. Hi there very good video, I’m a new fan of yours and I’m learning and understanding little by little
    Thank you so much for sharing your amazing skills

  8. Amazing representation. One question though- if anyone can answer, where are we getting power from to turn the switch on the yellow portion? In other words, how is switched ground getting its power or how is the switch activated for yellow? We're using the left side of the circuit to power the relay to power the right side of the circuit, but how is the left side being powered/controlled? Tried my best to explain my question lol

  9. Please post Part 2 etc when you have done it. Wonderful Part 1 starting with divide and conquer approach. Much appreciated.

  10. I am so green, I guess, that your logic for yellow and orange choices seems to go past me very swiftly. I go, ‘aha,’ but I really am froze.

  11. Hi Mike thank you for the video, but I’m only just starting out on wiring diagrams an have no prior knowledge at all. So this video was over my head. Any recommendations or suggestions on where I can start from to build my knowledge? Any videos you can recommend? Thanks

  18. I have an opportunity to work on small electric equipment. Are diagrams’ basics similar across the board: That is, assuming “at rest,” power on top and ground on bottom, etc? Or is this just the automotive field?

  37. wow nice video bro , im subbed ! LOL , ENJOYED YOUR VIDEO SO MUCH I JUST HAD TO SUB !!!! … what started my nightmare almost 4 months ago was a no crank /no start codes were UO100 AND PO23F …
    I GOT A 2011 BUICK LACROSSE ,BEEN PARKED 3 MONTHS , ITS A MYSTERY . ON MY 3 CODE READERS INCLUDING BLUEDRIVER I GET THE FAMOUS UO100 AND PO23F CODES . I GIT 1OO'S OF CHILTON INFO,TIPS DIAGRAMS AND SCEMATIC S etc.
    . …..

    AT ONE TIME ,FOR A COUPLE OF MONTHS , MY HORN,WIPERS,RADIO VOLUME,SEATS,,A FEW OTHER THINGS INCLUDING MY CHECK ENGINE LIGHT AND GAS GAUGE QUIT WORKING ,

    BY JIGGLING THE WIRES AT X108 CONNECTION AFTER CLEANING AND APPLYING DIE0ELECTRIC GREASE ,I GOT IT ALL TO COME BACK ON , SO I CAN AT LEAST READ CODES AGAIN …………….

    MY # 10 FUSE WHICE IS A ECM FUSE KEEPS BURNING ALWAYS , I NOTICE ALSO GOT GROUND ON BOTH SIDE HERE AND I NOTICED I GOT GROUND AT A BUNCH ,NOT ALL FUSES IN MY FUSE BOX , I GOT THE TEST LIGHT THAT SHOWS RED OR GREEN LIGHT .

    I ALSO USED MY DMM TO CONFIRM CONTINUITY BETWEEN FUSES AND CHASSIS GROUND AND BATTERY POSITIVE
    . WTH ? .
    TODAY ILL GOT THE POWERPROBE 3 AND THE POWERPROBE "THE HOOK: ,BOUGHT THEM BOTH ! .

    I WILL ALSO HAVE THE POWERPROBE ECT-2000 .THE CLOSEST TO A TECH COMPUTER I GOT IS A BLUEFRIVER , LOL …
    ANY TIPS BROTHER WOULD DEF BE MOST APPRECIATED ! THANK YOU KINDLY SIR FOR YOUR REPLY IN ADVANCED

  40. How would you color the output of a normally closed switch that has a hot at all time input? ( Output goes to a module). Thanks Mike.

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