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Classic Goldwing Technical Forums
GL1200
1985 GL1200 Limited ECU Replacement/Upgrade - Part 2
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<blockquote data-quote="Rednaxs60" data-source="post: 227739" data-attributes="member: 4617"><p>Tried this. No change to the dip. Going to fashion a new cam trigger wheel, do a bench test. I have searched the various forum threads for trigger wheel issues and there are a lot, but mostly these new ECUs need to see a defined signal that its relatively short, not drawn out as the Honda cam trigger wheel does. Thinking the OEM cam trigger wheel may be an issue.</p><p></p><p>My research on the web also indicates that the trigger wheel tooth should be approximately the same width as the sensor pole pin #6. This pic shows the pole pin #6 approximately the same size as the wheel tooth:</p><p>[ATTACH]49146[/ATTACH]</p><p></p><p>The cam/crank trace in my post above shows the cam signal (green) as a rising signal, the blue is for the crank and is a falling signal. This is because the VR conditioner is an inverting conditioner. There are non-inverting VR conditioners as well. The signals come into the VR Conditioner as an AC sine wave and converted to a digital square wave. This pic shows which is which:</p><p>[ATTACH]49147[/ATTACH]</p><p>When I do the bench test will be testing the cam sensor both ways.</p></blockquote><p></p>
[QUOTE="Rednaxs60, post: 227739, member: 4617"] Tried this. No change to the dip. Going to fashion a new cam trigger wheel, do a bench test. I have searched the various forum threads for trigger wheel issues and there are a lot, but mostly these new ECUs need to see a defined signal that its relatively short, not drawn out as the Honda cam trigger wheel does. Thinking the OEM cam trigger wheel may be an issue. My research on the web also indicates that the trigger wheel tooth should be approximately the same width as the sensor pole pin #6. This pic shows the pole pin #6 approximately the same size as the wheel tooth: [ATTACH]49146[/ATTACH] The cam/crank trace in my post above shows the cam signal (green) as a rising signal, the blue is for the crank and is a falling signal. This is because the VR conditioner is an inverting conditioner. There are non-inverting VR conditioners as well. The signals come into the VR Conditioner as an AC sine wave and converted to a digital square wave. This pic shows which is which: [ATTACH]49147[/ATTACH] When I do the bench test will be testing the cam sensor both ways. [/QUOTE]
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Classic Goldwing Technical Forums
GL1200
1985 GL1200 Limited ECU Replacement/Upgrade - Part 2
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