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  • Speedometer Erratic

    Posted by DON on August 9, 2015 at 2:09 pm

    Over the course of the 18 mths and 8k miles we’ve owned our coach, the speedometer has gone from reading correctly most of the time , to bouncing around or reading ZERO most of the time. No other issues. The cruise control works perfectly and the ProDriver works fine and tells how fast your going when the cruise is set.

    Any suggestions? Thanks!

    Reagan replied 11 years, 1 month ago 4 Members · 5 Replies
  • 5 Replies
  • Fred F.

    Member
    August 9, 2015 at 3:04 pm

    Those have been an issue and Prevost has a drop in replacement. The wiring has a small modification and I believe you will have to calibrate it but the instructions are excellent and it is not a difficult fix. You are not going to be able to set the odometer to the current reading so you just have to make a note of it with the coach records.

  • Archived

    Member
    August 9, 2015 at 6:06 pm

    Don, I had a similar problem on my 92 Beaver conversion. I pulled the left front wheel and brake drum and located the sensor. Ohm’ed it out and found it open.

    Ordered new one from Prevost and installed it, correcting the problem completely. $790 It came in a Meritor package, PN#

    A2237F136

    You can buy it for half price on Ebay.

    Hope this helps. Your ’96 may be different.

    Dick

  • DON

    Member
    August 9, 2015 at 8:00 pm

    I just ordered one of these from Prevost this past week to fit on my 1990/1991 Country Coach. They had to get it out of Quebec as it was the only place they had inventory. Richard Moore, the salesman out of Prevost Nashville said that there were only 2 in stock in all of Prevost inventory. I bought 1. It cost $75.15 plus $5.26 shipping. He said they is no indication there plan to restock the item.

    Other than Ebay, I am not sure where I will get one next time.

    Here is the Information I recieved from Prevost. The prevost Part No is 610941

    You should verify that this is the correct part for your application. Hope one is still available.

  • Archived

    Member
    August 9, 2015 at 10:07 pm

    I have disc brakes on the steer axle. I’ve been thru the brakes and don’t recall seeing anything like that? No ABS either. But thanks!

    I’m gonna look for a bad connection at the speed sensor on the Allison B500 or bad connection in the dash, but Jon is probably right that the speedo needs to be replaced.

  • Reagan

    Member
    August 10, 2015 at 11:01 am

    Had that problem, checked everything I could find and finally pulled the speedo, took it to a VDO repair shop here in Michigan and ended up buying a new one set to my actual mileage for somewhere around $200.

    !

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