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View Full Version : ATC 70 electrical question. Mutt bike



Rawlins350x
10-27-2019, 01:41 PM
I have a 70 I've been putting together from a box of parts, and I'm assuming the motor is a different year than the frame? I am assuming I need to tie the wires on the left to the ones on the right somehow? 260448

ps2fixer
10-27-2019, 05:34 PM
One wire missing in your pic, the kill switch wiring (green and black). Interesting that the coil has a green wire lead, that's just frame/engine ground. The black wire connects to the single black wire coming out of the engine (not the connector wires, those are for lights and neutral switch). If you ground the green wire and keep the two black wires together, you should see spark.

You might need something like the listing below. That's for the 83+ style coil, can't recall how 82 and older was. I'm pretty sure both year ranges used a "Y" splitter type of wire like that though. In the part diagrams they show the Y splitter wiring on the kill switch wire section, so it might be connected that yet if you have one on the machine. Anyway, this listing I'm pretty sure isn't exactly what you need since the one end is going to a spade terminal that normally is the coil. I could custom make one for you, just need to see the terminals for your kill switch and get an idea if the wire needs to be of any length. I can also made a grounding wire so you can bolt the green wire to the engine with out rigging it up, not 100% sure how factor was on that machine, I could scan over the part diagrams on partzilla to get an idea though if you want.

https://www.ebay.com/itm/192558945899

If you don't have a kill switch at all, or it doesn't work, I'm pretty sure I can find one that sides side to side like the modern Honda's use and that's the only switch for the controls, or could use a motorcycle/dirtbike style kill switch that's press button (hold to kill) like a CR style.

You can validate what year your frame and engine is at the link below. Frame VIN is located on the neck of the frame, stamped in the metal. Engine serial should be near the bottom on a flat section of the engine case probably below the sprocket area and covered with oil/grease.

http://atvmanual.com/honda/interactive-vin-decoder-atv-and-atc


If you need any help or that page doesn't work, post what you can read, and I'm sure we can figure something out.

Here's the table to manually decode the VIN/Engine Serial, just search atc70 in the top right box to reduce what you have to look through.

http://atvmanual.com/honda/frame-vin-and-engine-serial-numbers

Good luck with the machine. That stator connector looks pretty horrible but not a super huge deal since 95% of people never use it anyway for the 6v light kit. I could make a repair pig tail for it if I had some wire length measurements, pretty sure all the wires end at a solder point on the stator. I just can't get the cover grommet so you'd have to reuse the OEM one if it even is any good yet. RTV or another gasket maker would probably work to seal the hole the wires goes though, just not too pretty (mainly it's a dust cover to keep dust, dirt, and water out).