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

Speedometer

 
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Old 06-22-2016, 05:46 PM
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Default Speedometer

I have a 1981 XJ6 and it has mechanical speedometer and placed a drill on the input and no reading on the gauge. I traced the cable to a white plastic box on the firewall the cable goes in this box and come out and goes to the front of the engine. I assume it goes around and into the instrument panel . I have not got that far yet. What I want to know is what is this plastic box it has a plug also but was not plugged in anything. I am assuming that the spedo cable is bad somewhere . Thanks for any input. Jerry P.S. it was working a week ago.
 
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Old 06-22-2016, 10:43 PM
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The box is the "Intervalometer"...or some silly name like that. Every 30,000 miles an internal switch closes to turn on the oxygen sensor warning light. There's a reset button on the box to restart the count.

Most people get a one piece replacement cable and ditch the box

Cheers
DD
 
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Old 06-23-2016, 07:26 AM
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OK that make it easy I will ditch the box, where can you get a male to male connector to connect the 2 cable drives, or t you just replace the hole cable. Thanks Jerry
 
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Old 06-23-2016, 10:03 AM
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Originally Posted by albjerryg View Post
OK that make it easy I will ditch the box, where can you get a male to male connector to connect the 2 cable drives, or t you just replace the hole cable. Thanks Jerry

Not sure about a connector. The usual thing is to just buy a new, single cable. I would contact 'one of the usual' Jag vendors (SNG Barrat, Jagbits, Coventry West, Welsh, etc). they should be able to fix up up

Cheers
DD
 
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Old 06-23-2016, 12:16 PM
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Default Speedometer

Ok thanks, look like it is the box that is bad, when I hook the drill up to the cable going into the car the speedometer works. Thanks Jerry
 
 
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