Speedo Sending Unit 308 | FerrariChat
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Speedo Sending Unit 308

Discussion in '308/328' started by johnboy, Jan 18, 2007.

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  1. johnboy

    johnboy Rookie

    Dec 11, 2006
    17
    #1 johnboy, Jan 18, 2007
    Intermitent speedo problems...sent it off to Palo Alto and of course it works well on their bench. They now want me to send the sending unit so they can see if that's the problem or interface between the two is the villain.
    I have located the sending unit near the right rear wheel. Does anyone know if it connects to transmission and if so is it a screw out or held in by a clip.
    Any help much appreciated. Thanks.
     
  2. tvine

    tvine Formula Junior

    Jul 19, 2006
    270
    Cadillac, Michigan
    Full Name:
    Tom Vine
    #2 tvine, Jan 18, 2007
    What model and year?
     
  3. johnboy

    johnboy Rookie

    Dec 11, 2006
    17
    #3 johnboy, Jan 18, 2007
    Vehicle is 1980 308 GTSi.
     
  4. stephenofkanza

    stephenofkanza Formula Junior

    Mar 5, 2005
    542
    Kansas
    Full Name:
    Stephen LeRoy Sherma
    #4 stephenofkanza, Jan 18, 2007
    After a year and a half my speedometer started to go 20mph over the over then back to the speed I was driving. After about 2 weeks it was solid wrong.
    When I backed out the garage at idle it showed 60 mpr in reverse the moring I put it on my lift (FerrariCahtters said it was the sender). I pulled the sender and it did not match sender in my 81 parts. I was ready to buy a new sender
    but the correct sender was twice the price) so I cleaned the contacts and reinstalled HAS BEEN SENDING PERFECTLY since. (4 months)

    So I would vote it is the sender.

    stephen

    ps I removed the spade clips from the nylon cleaned (contact cleaner),
    put them back and then used black electrical tape to seal it from road
    gunk.
     

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