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Thread: sensor ?

  1. #1

    Cool sensor ?

    just change the speedometer sensor on my allison because speedometer stop working ,moving at 1oo kms needle went down slowly to 0 always appen when hot moving for 1 hours or more????

  2. #2
    Join Date
    Feb 2000
    Location
    Montana
    Posts
    11,382

  3. #3
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,573

    Arrow

    You can also check vehicle speed sensor output with a Predator programmer. If the value matches the speedometer, it's the sensor. If it doesn't match, it's the speedo (replace/repair the IPC). Often, you can fix a lot of IPC errors with a computer reset. Disconnect BOTH battery + cables and ground a cable to the chassis for at least 30 minutes. Be sure BOTH batt+ terminals are NOT connected to anything.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  4. #4

    Smile instrument cluster

    Quote Originally Posted by lalou View Post
    just change the speedometer sensor on my allison because speedometer stop working ,moving at 1oo kms needle went down slowly to 0 always appen when hot moving for 1 hours or more????
    sent my instrument cluster to be calibrateb, put it back no more problem !!! if you need info WHIZARD.COM cost around 200$ to fixe.

  5. #5
    Join Date
    Feb 2000
    Location
    Montana
    Posts
    11,382

    Default

    Another, perhaps less expensive, option would be to acquire a salvage IPC. I bought one for my D/A/ conversion for not a lot.

    Jim

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