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Old July 12th, 2018, 07:57 PM   #37
InvisiBill
EX500 full of EX250 parts
 
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Name: Bill
Location: Grand Rapids-ish, MI
Join Date: Jul 2012

Motorcycle(s): '18 Ninja 400 • '09 Ninja 500R (selling) • '98 VFR800 (project) • '85 Vulcan VN700 (sold)

Posts: A lot.
Blog Entries: 1
MOTM - Aug '15
Quote:
Originally Posted by DannoXYZ View Post
Almost. Note that ground of starter-circuit relay's AND starter-solenoid activation coils are in boolen-logic and/or circuit involving diode-A, neutral-gear switch, kickstand switch and clutch-switch. Any one of those being incorrect will prevent the starter-circuit relay from activating and sending +12v to starter-solenoid and prevent starter-solenoid from activating even IF it received +12v..
According to the wiring diagram, the starter circuit relay coil grounds via either the neutral switch (yellow/green > diode A > light green > neutral switch) or the clutch switch & sidestand switch (yellow/green > clutch switch > green/white > sidestand switch > black/yellow).

The igniter can ground through the neutral switch* (green/black > diode A > yellow/green > diode A > light green > neutral switch), and also directly through the sidestand switch (green/black > diode A > green/white > sidestand switch > black/yellow). This allows it to keep running when you have it in gear with the clutch released (i.e. while you're riding it).

The solenoid coil is just the yellow/red from the relay output and the common black/yellow ground.

*Technically it forks off the yellow/green wire, so the clutch & sidestand would also work just like for the starter, but the sidestand switch already directly enables it alone, so it's a moot point.
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