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Foretravel Motorhome Forums => Foretravel Tech Talk => Topic started by: Gerry Vicha on August 29, 2015, 08:24:56 pm

Title: Speedometer Sensor Type
Post by: Gerry Vicha on August 29, 2015, 08:24:56 pm
Does anyone know what type "Sensor" is used on a 1994 U300 with 6V92 Detroit and Allison transmission?  Three Choices

1)  Hall-Effect
2)  Inductive
3)  Electronic Control Box

I'm installing a new speedometer head and it is not functioning for speed or odometer readings.  THANKS. ??? 
Title: Re: Speedometer Sensor Type
Post by: Fredi Smith on August 29, 2015, 10:04:58 pm
What name Speedo head are you replacing? 
Title: Re: Speedometer Sensor Type
Post by: Gerry Vicha on August 30, 2015, 07:27:07 am
Original  VDO  - I just found a "programming" sequence I may need to follow.  Hope it works.
Title: Re: Speedometer Sensor Type
Post by: D.J. Osborn on August 30, 2015, 08:08:00 am
Quote from: Gerry Vicha –
Original  VDO  - I just found a "programming" sequence I may need to follow.  Hope it works.

The VDO programing instructions worked well when I adjusted the calibration on our 1995 U320.
Title: Re: Speedometer Sensor Type
Post by: Gerry Vicha on August 30, 2015, 08:35:07 am
Dave, which programming method did you use?  1) drive a Measured Mile or 2) enter a ratio code?
Title: Re: Speedometer Sensor Type
Post by: D.J. Osborn on August 30, 2015, 08:59:43 am
Quote from: Gerry Vicha –
Which programming method did you use?  1) drive a Measured Mile or 2) enter a ratio code?

Mine was already calibrated but wasn't quite accurate. I looked at.the ratio code formula and.then adjusted the calibration value.
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