Question about 2006 Harley Davidson FXDCI Dyna Super Glide Custom
I ride a 2001 Super Glide that seems to have gremlins in the speedo. Last year, I'd be riding and the needle would freeze at whatever speed I was at, and the check engine light would come on. Riding at night, I also noticed the front turn/marker lamps would get really bright prior to the needle and check engine light acting up. The odometer also went blank when all this happened. After a minute or so, the needle dropped to zero (while still at speed), popped up to whatever speed I was at, and then the check engine lamp cleared. This spring it's different. The speedo usually freezes at the 10-15 mph mark, and the check engine lamp comes on. The only time it clears up is while coming to a stop. I rode a good 70 miles recently, and the odometer only registered a little over six miles. I had my Harley dealership check it out but with no fix. And I’ve cleaned the speed sensor with no change. So, do you think it’s the speedo, regulator, or stator?
The first thing I would check is the voltage output from the charging system. If the regulator isn’t regulating, the voltage will keep climbing as the engine speed increases. The electronics in the speedometer don’t work well at these high voltages. This would also explain the bright marker lamps. You should be able to see this with a simple voltmeter across the battery terminals.
Posted on Nov 20, 2008
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Posted on Jan 02, 2017
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