XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

XJ8 Dash Clock - Desk Clock?

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Old Sep 19, 2021 | 05:21 PM
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Default XJ8 Dash Clock - Desk Clock?

Hello!
I recently replaced the center piece on my dash where the clock and center air ducts are. The end result, I have an extra dash clock. I thought it would be really cool to get it working (somehow) and use it as a desk clock. On the back are six pins that it used to connect up to the electrical:


Does anyone know how (or if) I could wire this up to connect to, say, a USB cord so it could run off of power (plugged to my PC or into a USB converter to a wall socket)? Is this even possible?

Thanks.
 
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Old Sep 19, 2021 | 07:17 PM
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Why not just look a the electrical guide to see that there are 3 connections, Ground (earth) PLUS for clock and PLUS for dimmer controlled lighting?
 
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Old Sep 19, 2021 | 07:19 PM
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Where would I find an electrical guide for this? Sorry for my ignorance ...

EDIT - Found the electrical guide. Now to find the clock ...
 

Last edited by silversurfer1221; Sep 19, 2021 at 07:27 PM.
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Old Sep 19, 2021 | 07:39 PM
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Found the clock in the electrical guide at 09.2 and 19.1. To be frank, I have no idea what I'm looking at. I don't see anything that looks like the six pins and, thus, don't know which is the power, which is the ground, etc. Sigh.
 
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Old Sep 19, 2021 | 08:03 PM
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This is about all I can find on the clock (from the electrical guide):



I don't see anything that identifies the six pins and which one would be the ground and which would be the power (or the dimmer, though I don't need that one). I mean, I can see, from the above diagram, the ground and the power, but which pin do they go to? Sorry if I'm dense.

EDIT - I see designations like "IP19-6". Does that mean that the ground is on pin 6 of IP19 (which is the designation of the six-pins for the clock)? Does IP19-5 mean that power is on pin 5? And if that's the case, which is pin 1 (top-left)? And, if so, does it go 1,2,3 across the top and then 4,5,6 for the row beneath?
 

Last edited by silversurfer1221; Sep 19, 2021 at 08:06 PM.
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Old Sep 19, 2021 | 08:16 PM
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Okay, I pulled the back off the clock and the first pin appears to be labeled. It looks like this diagram that I made:


I am guessing that this means that the bottom-left pin is pin 1. So, then, which would be pin 2? The top-left? Would the two pins, furthest to the right, be pins 5 and 6 (5 on the bottom)?
 
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Old Sep 19, 2021 | 08:34 PM
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The colors on the connector will tell you the ground and positive connections.
Black = ground
Red/White = lighting
Brown/White = positive
 
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Old Sep 19, 2021 | 08:55 PM
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Thanks. But the clock is not in the car. It's on my desk. There wire that was in the car was connected to the new clock. It wasn't until I had the new vent/clock unit installed (and everything put back together), had cleaned up, and had looked at the clock lying there, that I thought it would make a fun desk clock. So, yeah ... not going to tear the dash apart to look at the wiring. That means all I have is clock, the back of which is shown in the first post (the photo). No way to tell, from that, where a red wire would go.
 
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Old Sep 20, 2021 | 08:50 AM
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I don't see anything that identifies the connector pinout, but I would think that in your diagram, 3 would be the lower center pin, and 5 the lower right. 5 is ground, 6 is 12 volts. If you want to light the dial, voltage applies to pin 2, but I don't know that it's 12 volts for full bright, it may be as little as 5 volts there; that's an output from the Front Electronic Module and is not described, simply diagrammed.
 
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Old Sep 20, 2021 | 09:42 AM
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Old Sep 20, 2021 | 10:01 AM
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OR.... You could sell me your old clock since mine just started GAINING time for some reason. Private Message me if you are interested.

Regards
Jeff
 
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Old Oct 5, 2021 | 09:27 AM
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Default Benchtop Clock Testing

I was able to hook up an X-350 clock for bench testing. The pins on the PCB are numbered 123 from left to right starting with the labeled #1 pin. Then they go 456 across the upper row. Pin 5 is ground, Pin 6 is 12V to the clock and Pin 2 is 0-12V to the lamp. I ran it at just under 12 V and it keeps perfect time. The clock uses almost no current except for a brief surge once per minute when the hands move.


That's an old AMP 3 pin connector I found in a junk drawer at work. It just happened to fit perfectly and one of our techs even had the crimp tool for it! I didn't bother hooking up the lamp pin on the bottom row.
 
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Old Oct 5, 2021 | 09:43 AM
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Awesome! Thanks for looking into this!
 
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