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CAUTION! These are just a my GUESS and private notes.
NOBODY is responsible this! Do everything you want with own responsibility!
The Differences of igniters between 1FM, 2LM, 3KS and 3GM.
| Number | 1FM | 2LM | 3KS | 3GM | Connected to | +/- | Notes | |
| 1 | 1 of 4 Or | 1 of 4 Gy | 1 of 4 Gy | 1 of 4 Gy | Pickup | / | *1 | |
| 2 | 2 of 4 Bk | 2 of 4 Bk | 2 of 4 Bk | 2 of 4 Bk | Pickup | / | - | |
| 3 | 3 of 4 Gy | - | - | - | Pickup | / | *1 | |
| 3' | - | - | - | 3 of 4 G | Sender/Resistor | + | Analog Voltage Input | |
| 4 | - | - | - | 4 of 4 R/G | Reservoir Switch | + | to Kill Switch *2 | |
| 5 | 1 of 6 R/W | 1 of 6 R/W | 1 of 6 R/W | 1 of 6 R/W | Kill Switch | + | *2 | |
| 6 | 2 of 6 Or | 6 of 6 Or | 6 of 6 Or | 6 of 6 Or | Ignition Coil 1&4 | + | - | |
| 7 | 4 of 6 Bk | 4 of 6 Bk | 4 of 6 Bk | 4 of 6 Bk | Earth | - | - | |
| 8 | 5 of 6 Gy | 3 of 6 Gy | 3 of 6 Gy | 3 of 6 Gy | Ignition Coil 2&3 | + | - | |
| 9 | - | 5 of 6 L/W | - | - | Fuel Pump Relay | - | - | |
| 9' | - | - | - | 5 of 6 L/R | Relay Unit | ? | *3 | |
| 10 | - | - | 2 of 6 Bk/Y | - | Earth | - | *4 | |
| 10' | - | - | - | 2 of 6 L/Y | Clutch & Side-stand SW | - | Earthed in another side | |
| 11 | Independent 1 | Taco meter | / | *5 | ||||
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The descriptions are rewrote from each SERVICE MANUALS. Incase of 3KS,
I have no manual, it is made from my OBSERVATION only. For other 3, I've NEVER seen actual ones but reading manual. All igniters has 4 electrodes and 6 electrodes sockets. 3GM has another independent lead and EXUP connector(5 electrodes) also. 1FM not use 4 of 4, 3 and 6 of 6. 3KS not use 3 and 4 of 4 and 5 of 6. *1 1FM has two analog pickups but 2LM and the later have single digital pickup. The color code of Or and Gy were swapped. *2 Kill Switch is connected to the electric supply in another side. *3 This line might be for controlling the fuel pump. It must be same as the 5of6 on2LM. *4 It is earthed. 3KS has another circuit for the Side Stand safety. *5 #9, Taco and others are not connected to the igniter in case of 1FM and 3KS. The line seems to be same as #9 is connected to the pump directly. |
The Wiring of 3GM's Relay unit.
| Number | Connected to | +/- | Destination | |
| 1 | Fuel Pump | + out | Supplying Power to Pump | |
| 2 | Igniter | ? | ? | |
| 3 | Kill Switch | + in | Power Source input | |
| 4 | Start Switch | - | Earth | |
| 5 | Clutch Switch | Returned to Relay(10) via Clutch SW | ||
| 6 | Neutral Switch(&Lamp) | - | Earth | |
| 7 | Starter Relay | + | Battery, trigger of Starter | |
| 8 | Oil level switch | - | Earth | |
| 9 | Oil level lamp | - | Earth | |
| 10 | Clutch switch & Side stand switch | - | Earth | |