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Junior Member
Well I already ordered a replacement ECM, so hopefully this will be the end of it.
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Thats a lot for a used ECM, you can get one from SPHDOnline.com with the correct stock programming for that much, OR get one from IDSpd.com for the same $ with any custom or Race programming you want to match your muffler.
Even the Buell Race program for a stock muffler is better than the lean EPA tune.
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Junior Member
A blank one from St paul is $280 + shipping. A race one from IDSpd is $320.
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Hope it all works out with the new ECM. The 6 volts is an indication of a bad ground(ed) conductor or lack there of usually and the meter will give you a semi reading through the leads, which is why DMM aren't for higher voltages, if you have a loose connection they can still pick up a completed circuit, unlike a set of wiggys where it throws a load on the circuit and creates or shows a fluctuating open but DMM are great for low voltage. At first I was thinking maybe you had a loose terminal connection within the relay housing and the DMM was reading good but when a load was applied you would loose continuity but you have seem to made it clear that you've isolated it.
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Junior Member
Thanks! I definitely appreciate the help
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Senior Member
That does seem to isolate the ECM. Another test, if you're inclined is to measure the b/y while the pump is running. Put the red lead on the pump - terminal and the meters black terminal at the ECM plug. With the pump running you should have no voltage drop. Any voltage is actually resistance.
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