Speedometer programming
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02-08-2007, 04:01
Post: #21
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Speedometer programming
Three speedometers including your GPS.
I have the instantaneous mpg reading in a car, have never found it useful, interesting, yes. It would be nice and perhaps useful to find that "Sweet Spot" on mpg if the time sample could be increased, or, average of 5, 10 readings? bob janes, 87fc35, greenville, sc --- In WanderlodgeForum@yahoogroups.com, "Don Bradner" wrote: > > A followup on the speedometer: Mine was set for "10" (2+8), and the factory called for 26 - switches 2,3 and 6 which are 2+4+20. I set that, and it still read substantially high. I set 40 (switch 7 only) and the speedometer was about 20% low. Set 34 (switches 3, 5, 6, which is 4+10+20), and I was 5% low, then 32 (switches 2, 5, 6) and I was essentially dead on. > > This was done over a trip of 150 miles today, and during it I also set my digital VMSpc speedometer to dead on - it was 1.8% fast over 10 miles of flat desert at exactly 60mph. I now have two accurate speedometers, analog and digital. > > From this I conclude that the dip switches are additive, as shown above, and the higher the combined number the more they take off the speed. > > In the various invoices I have with this coach are two for transmission ECU replacements, with the symptom being initially a lack of any speedometer reading at all, and the second a couple of days later when the "new" replacement failed completely. The shop which replaced both (second under warranty, of course) noted that they could not get a second identical one either new or reman, so used a reman "+2" unit. > > I don't know what that means, but I assume it is somehow different, and probably doesn't put out the same speed data as the original, which is why factory programming didn't work. > > On 2/4/2007 at 3:45 PM Don Bradner wrote: > > >The speedometer on 90 PT40 reads roughly 15-20% high. Presumably racks up > >miles at a higher rate as well. > > > >The VMSpc speed reading appears to be just about dead on; I would like to > >improve the accuracy of the speedometer, and I wondered if anyone here has > >any info on the programming? > > > >On the back are 12 dip switches. 1-4 are labled "Ones" and 1, 2, 4, 8. 5-8 > >ae labled "Tens" and 10, 20, 40, 80. 9-12 are labeled "Filter." > > > >Only 2 and 4 are on (values 2 and 8). > > > >This is an obvious question for Bluebird tech support, but so far on other > >issues I'm batting .000 with them (meaning I have yet to talk to a human) > >so I thought I would ask on the forums first in case someone has > >previously received programming info. > > Don Bradner > 90 PT40 "Blue Thunder" > |
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02-08-2007, 05:34
Post: #22
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Speedometer programming
True, but that's one that I cover up with the VMSpc screen.
On 2/8/2007 at 4:01 PM one_dusty_hoot wrote: >Three speedometers including your GPS. Don Bradner http://www.arcatapet.net |
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