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| | Be careful when using these diagrams. The harness changed bit by bit over the years. Wires changed color without notice. | | Be careful when using these diagrams. The harness changed bit by bit over the years. Wires changed color without notice. |
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| − | You can use the schematic to find the wire you're looking for, but NEVER assume that it's correct. Test any wire for function before splicing into/diverting/eliminating it. For instance, the wiring diagram in the 2002 Service Manual Supplement isn't even 100% correct for the '02 bike, and the '04 is different yet. Don't assume. | + | You can use the schematic to find the wire you're looking for, but don't assume that it's correct. Test any wire for function before splicing into/diverting/eliminating it. For instance, the wiring diagram in the 2002 Service Manual Supplement isn't even 100% correct for the '02 bike, and the '04 is different yet. Don't assume. |
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| | '''Tip''': Yellow and black wire is ground throughout the bike. | | '''Tip''': Yellow and black wire is ground throughout the bike. |
Revision as of 04:23, 18 April 2010
Disclaimer & warning:
Be careful when using these diagrams. The harness changed bit by bit over the years. Wires changed color without notice.
You can use the schematic to find the wire you're looking for, but don't assume that it's correct. Test any wire for function before splicing into/diverting/eliminating it. For instance, the wiring diagram in the 2002 Service Manual Supplement isn't even 100% correct for the '02 bike, and the '04 is different yet. Don't assume.
Tip: Yellow and black wire is ground throughout the bike.
EX250 Wiring Schematic 
(full color - large & detailed)
Old Wiring Schematic (B&W)
Start & Ignition Schematic (full color)
Start & Ignition Troubleshoot Schematic (full color)
Starter circuit schematic
Ignition circuit schematic
Headlight circuit schematic
