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AnsweredSpeedo intermittent in ST183 1991

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N Cole
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2022/10/03 14:28:13 (permalink)
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Speedo intermittent in ST183 1991

My speedo works up to 70 or 80kph then drops to zero. Seems intermittent. Is there a fix? It is an automatic. The cruise control is also affected. I assume it is the transmission speed control. Where is it? I can't find it?
post edited by N Cole - 2022/10/03 18:44:35
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    Re: Speedo intermittent in ST183 1991 2022/10/04 08:07:13 (permalink) ☼ Best Answerby N Cole 2022/10/04 09:47:19
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    Try replacing the speed sensor which is located on the top of the gearbox. It should have a connector with 3 wires going to it.

    Mr Glengineering
    Time attack MR2 and ST205 Celica road beast.
    www.classic-ford.org
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    N Cole
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    Re: Speedo intermittent in ST183 1991 2022/10/04 09:50:46 (permalink)
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    Thanks Bud. It has an auto trans. and I can't find a speed sensor. I can see the inhibitor switch, kick down cable and a connector with wires which go inside trans?
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    N Cole
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    Re: Speedo intermittent in ST183 1991 2022/10/04 11:35:03 (permalink)
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    Hey Bud the problem has escalated now. I disconected the battery to do a reboot. When reconnected the hazard lights operate for a few moments and the engine won't start. The sport and revs 2ws flash when ign on. I am in trouble!!
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    Re: Speedo intermittent in ST183 1991 2022/10/04 11:41:41 (permalink)
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    It should look like this. It may have an extender on it too.

    I'm not sure about your new problem. It sounds like a different cause!

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    Mr Glengineering
    Time attack MR2 and ST205 Celica road beast.
    www.classic-ford.org
    www.mr2australia.com
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    N Cole
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    Re: Speedo intermittent in ST183 1991 2022/10/04 15:01:54 (permalink)
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    Thanks Bud, but I can't find anything like that on the auto
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