XJ6 & XJ12 Series I, II & III 1968-1992

speedometer

 
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Old 09-25-2014, 12:06 PM
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Default speedometer

Alright, I'm cruising down the road and my speedo stops working. Of coarse the display stops registering but still working. so I thought I'd ask if anyone had any ideas before I start messing around with the electrical or speedo cable. Maybe someone here can help me narrow it down first.
Thanks
 
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Old 09-25-2014, 12:07 PM
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forgot to mention that is an 85 xj6 Vanden Plas
 
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Old 09-25-2014, 01:33 PM
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Originally Posted by amaezing View Post
Alright, I'm cruising down the road and my speedo stops working.

Fairly common


Of coarse the display stops registering but still working.

Not quite sure what you mean here



so I thought I'd ask if anyone had any ideas before I start messing around with the electrical or speedo cable. Maybe someone here can help me narrow it down first.
Thanks

No cable involved.

9 times out of 10 the fault is in the speedometer transducer. This is the signal generator thingy on the RH side of the transmission that sends a signal to the speedo and the trip computer. About $100 or so for a new one.

Mighta wanna take a good look at the wiring at the back of the speedo and at the transducer just on gen'l principles. Lacking any obvious wiring fault I'd go ahead and replace the transducer

Cheers
DD
 
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Old 09-25-2014, 02:01 PM
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I was afraid of that. I'll check wiring just to be sure anyway. Thanks again! I'm glad I have the speedo app on my phone for now.
 
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Old 09-25-2014, 03:31 PM
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Mine has been nuts since 2005 or so. I knolw the error factor and what the tach should read to mkeep the ticket guys away!!


I'll fix it one day.


Electrics to alter in the engine bay and in the console area. cut, solder, shrink tube, etc.


Carl
 
 
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