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Author Topic: Electrical 101 - Read This First  (Read 24927 times)

Offline Sonreir

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Re: Electrical 101 - Read This First
« Reply #30 on: Jun 11, 2014, 18:24:16 »
You can, but having an additional ground usually isn't an issue.  I'd probably remove it.
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys

Offline frankxedge

  • Posts: 48
Re: Electrical 101 - Read This First
« Reply #31 on: Jun 11, 2014, 19:08:53 »
Ok cool thanks sonreir!
1974 Honda Cl450

Offline ZachM

  • Posts: 14
Re: Electrical 101 - Read This First
« Reply #32 on: Mar 24, 2016, 00:42:01 »
This will definitely help in the upcoming wire harness I have to build. I wasn't sure what to use for wire thickness but this answers that.
Zach

Offline Mnguyendc

  • Posts: 3
Re: Electrical 101 - Read This First
« Reply #33 on: Aug 25, 2017, 13:54:32 »
Is there a sticky on how to start trouble shooting? My 1972 CB 350 k4 has 0 electrical power in the middle of my ride. Nothing will turn on. Battery holds at 12.8 right after it happened, Main fuse in front of battery is intact, i need to check grounds. But does anybody have a protocol on what to check for?

- Battery
- Fuse
- Grounds clean?
-?

THanks!

Offline Sonreir

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Re: Electrical 101 - Read This First
« Reply #34 on: Aug 25, 2017, 13:58:26 »
Time to get out your multimeter and start measuring.

With the ignition switch on and the kill switch off, check for power at the following points:
1.) Battery positive terminal
2.) Right after the main fuse
3.) Right before the ignition switch (red wire)
4.) Right after the ignition switch (black wire)

If there really is zero power to the bike, then you should see zero power at one (or many/all) of those points.
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys

Offline Mnguyendc

  • Posts: 3
Re: Electrical 101 - Read This First
« Reply #35 on: Aug 26, 2017, 14:11:14 »
I did what you had told, and saw no power after the fuse. So i replaced the fuse, and the bike started up  :-X I apparently put in a 20 amp fuse instead of a 15 amp prior. The fuse looked untouched which was why I thought it was still working, but after the power reading, i replaced it anyway, and bike started up. Many hours of tinkering around and learning a alot, only to miss an obvious one!

Thanks much :D

Offline Sonreir

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Re: Electrical 101 - Read This First
« Reply #36 on: Aug 28, 2017, 11:54:20 »
I did what you had told, and saw no power after the fuse. So i replaced the fuse, and the bike started up  :-X I apparently put in a 20 amp fuse instead of a 15 amp prior. The fuse looked untouched which was why I thought it was still working, but after the power reading, i replaced it anyway, and bike started up. Many hours of tinkering around and learning a alot, only to miss an obvious one!

Thanks much :D

I had the same issue the first week after I got my first bike.

I'm not a fan of the old glass fuses. I replace with modern ATC fuses every chance I get, now.
Sparck Moto - http://www.sparckmoto.com

Audaces fortuna iuvat.

1977 Honda CJ360 - Café SOS - Stage One™, Café SOS - Stage Two™
1976 Puch Maxi - APuchalypse Now
Suzi T500 Cobra Resto

Custom Gauge Graphics
Custom Wiring Harnesses

DTT Red, White, and/or Black 360 Club - Better than those Blue guys