Sandrail Part 4: Automotive Wiring Basics Explained
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- Опубликовано: 26 окт 2016
- This explains the basics of how to run the ignition and chargin system wiring for automotive (and other) projects.
Please note: Months later I looked at his and found a small error. The "ground" wire from the coil should have run from the coil to the green wire on the distributor. A link to a 69 beetle wiring diagram. www.jbugs.com/VW-Tech-Article...
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I'm going to be wiring an old hotrod, I thought I had it correct in my head and this verified it. Thanks for taking the time to make this video. Very helpful!
InstaBlaster...
Pretty cool just needed a refresher . I'm building a sandrail and have finally arrived at this point. Thanks well done.
Thank you so much! Perfectly said!
Absolutely love this video! Thank you so much for making this simple and understandable! I can’t tell you how much this is helped me, thank you thank you!
Dr. Clueless here, THANKS, about to buy a LONG sitting dune buggy rail, and just want to get it running to pull my pull behind grass cutter on my farm, THIS may get me up and running.
Very good. Just want to clarify that the coil is not a capacitor. It is a transformer. It boosts 12V to 30kV or more. It is always doing that while the ignition is on. The distributor "distributes" that 30kV to each spark plug when that cylinder is at TDC of the firing stroke.
Doesn’t really matter what it is if it’s wired as shown in the video, as there will be nothing for the distributor to distribute.
@@Reloadinggeargmailcom You are correct. The "ground" wire from the coil should be going to the green wire on the distributor (points and condenser). This is why I expressed so hard to double check my work. www.jbugs.com/VW-Tech-Article-1968-69-Wiring.html
I've been trying to figure out how to wire a sand rail, and I'm colorblind. I really appreciate this video. Still a little confused, but this is a huge help man, thanks.
Glad it helped. Cheers!
Doing wireing colorblind without frying anything i give you props 🎉
There are two starter solenoids you don't need the external solenoid here.
I appreciate this, everything is clearer now thank you
Thanks dude that's was spot on! I got a sand rail and have to hook the wires up you covered everything thanx again
Woooow!! Thank you so much mate!! Im just starting my basic dune buggy project and had no idea about the wiring, this covers pretty much everything I needed to know. Thanks again!
So glad it helped! Cheers!
For anybody using a remote starter solenoid as seen in the video, there are a few types available and not all get wired the same way so be sure you know what you have before connecting any power wires. The large post are the same on all types, when the solenoid is energized there will be continuity between the large post. One side goes to the battery positive and the other side goes to the starter. Polarity does not matter through the large post. The difference between the types of solenoids are in the little post. Some solenoids will only have 3 post. Two large and a small. This type uses the body of the solenoid as the ground path. You only need to connect a single wire from the ignition switch START position to the small post. When the key is in the start position it will energize the coil and close the internal contacts between the two large post. The second type has 4 post, two large and two small post. One of the small post will be labeled with the letter “I”. This style was used for vehicles with ballast resistors in the ignition circuit. Engines with points distributors anD early electronic ignition used this type. The ignition switch START position is wired to the small S terminal and the solenoid body provides the ground path. The “I” terminal will have battery voltage on it during cranking only. A wire is routed from the I terminal to coil positive. This bypassed the ballast resistor in the ignition circuit to provide the coil with full 12 volts during cranking. When the key is released after the engine has started, the “I” terminal will no longer have power. The last type also has 4 post. Two large and two small and as described in the video, a wire from the START side of the ignition switch will be routed to one of the small post, the other small post will be routed to ground. I hope this clarifies the start circuit. I think this next topic was addressed in the comments already but the negative side of the coil goes to the distributor, through the points to ground. When the points open the ignition circuit opens. This causes the field within the coil to collapse and the energy is released to ground through the spark plug. When the points close, the circuit is closed, the coil primary is again energized
Nice Thanks for the added information!
Cheers buddy like that sort.
Thanks a lot.
Could you wire the switch to the solenoid and then to the battery?
Perfect thank you
Great job
Thank you! Hope you are having a great day. Cheers!
it was a good basic way to wire he did forgot to ground wire of the generator but other than that it's was great 👍👍
2007 Volz wagon jetto.
2.5 voltage regulator.
Good info
what about the green wire coming off the distribuator?
Very helpful
Would you be able to point me in the direction of a website or some info on the best engine and transmission layout for sand rails/ baja vehicles? I want to design my own but I'd prefer to know the best possible configuration to go with, I want to build the chassis/frame around it.
I don't knoiw of any websites but I can tell you a few things. Naturally VW engine+transaxle, you can also attach many other engines to a vw transaxle with adapters. BUT.. in these modern times, pretty much anything front wheel drive could be used as a rear axle. If I were to look into something more modern, I'd look for something that used a subaru engine. Even using a street bike engine makes for a pretty peppy sandrail these days.
Excellent for a beginner. Great for dune buggy hook up.
Getting a beetle1974 model will it help me a bit I just need to do the wiring
It should be nearly identical.
With coil wire to ground, how does distributer fire the coil? Cant..
Sorry for the late response. I just came back here because I got a new response. You are correct.. the "ground" wire from the coil should go to the green wire on the distributor. You can take a look here. www.jbugs.com/VW-Tech-Article-1968-69-Wiring.html
A+
The distributor wire, to the NEG coil.
That negative from the coil goes to the points and condenser?...in the distributor?...and the hot stays hot for the engine to run?..and the switch stays on until you want the engine to stop 🛑?
I believe the answer is yes to all of them. Take a look at this wiring diagram for 68-69 beetle. www.jbugs.com/VW-Tech-Article-1968-69-Wiring.html
Can you draw off the coil for an electric fuel pump?
If it were me I think I would power that off a fuse block that turned on when the ignition switch is set to on.
Negative side of coil goes to the distributor not to ground.
Yep! Noted in an older comment.
Cool its not perfect but ive done my research so ill be good thanks
I've built go karts and I'm just trying to test my skill with something more advanced.
you kinda forgot about the points wire that goes to the coil
Yup and that is why this link www.jbugs.com/VW-Tech-Article-1968-69-Wiring.html is in multiple comments as old as two years ago. ;)
This is great video just need the color of the wires that is for DUMB people like us. 😆 ours was firing running great and my husband messed with the key switch wires and now don't start
Pp