Speedo fix

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jonc

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Re: Speedo fix

Postby jonc » Wed Jan 22, 2014 3:15 pm

Yep mine (1990) is just like that, too. It's the left-most connector on that picture with the green stripe around the middle (anti-water seal)

Good point, John, about disconnecting and re-connecting to clean up the contacts!
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Trevor Skedge

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Re: Speedo fix

Postby Trevor Skedge » Thu Jan 23, 2014 9:19 am

Ok found it but not touched it yet as need to get underneath. Is there a way of testing the signal from the pickup?

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Re: Speedo fix

Postby JohnC » Thu Jan 23, 2014 7:27 pm

Trevor Skedge wrote: Is there a way of testing the signal from the pickup?

Quick answer.... No,.... unless you have an oscilloscope. But being a passive device (no moving parts),.... unless there is external damage to the wires, and the fact that it is intermittent and does actually work most of the time, I would say the sensor is OK.
1990 GTA Atmo, 2003 Jaguar X type 2.5SE Auto, 2018 Kia Picanto GT-Line-S 1.25
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Re: Speedo fix

Postby Trevor Skedge » Fri Jan 24, 2014 11:56 am

Ok thanks that at least sounds positive. I'll have a look at the weekend hopefully but being held in a queue behind the Esprit radiator and not 348 driveshaft boots.

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Re: Speedo fix

Postby pgoldsmith » Fri Jan 24, 2014 6:40 pm

Quick answer.... No,.... unless you have an oscilloscope. But being a passive device (no moving parts),.... unless there is external damage to the wires, and the fact that it is intermittent and does actually work most of the time, I would say the sensor is OK.


When I first got my GTA, the speedo was dead and I was told that although there are no moving parts, but over time the sensor pickup does attract metal particles which perhaps can affect the performance. So I had the garage remove the sensor, clean it up and refit.
Not too bad a job for access if it's on ramps, if not then apparently you need to have hands like a Gynaecologist to get to it.
GTA Turbo 1991 - Stratos blue
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