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Old Oct 27, 2008 | 08:45 PM
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Default Clock Question

This is concerning the light bulbs in the clock...all of my bulbs in the whole car work except the 2 in the clock..all bulbs are new.
my question is this..does the clock need to be plugged in to the electrical supply and the bulbs be pushed into the housing to work...i know i am probably wrong...but what i am thinking is the housing is another grounding portion of the electrical system.

jack
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Old Oct 27, 2008 | 08:47 PM
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Bulb will NOT work without grounding. Plug it in to the clock.
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Old Oct 27, 2008 | 09:04 PM
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Originally Posted by vettes1st
Bulb will NOT work without grounding. Plug it in to the clock.
so what your saying is make all connections "plug in the clock" including the bulbs into the housing?
I should be able to turn the light switch to activate all interior lights?

jack
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Old Oct 27, 2008 | 09:40 PM
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No Jack, that's not he's saying. The clock does not have to work, but the bulbs must be grounded for then to light. The bulbs are on a seperate circuit from the clock. The lights only come on when the light switch is pulled on. Hope this helps, Bill.
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Old Oct 27, 2008 | 09:59 PM
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Bill.....that makes sense
now i need to figure out why they are not working..i am sure all my grounds are connected...but who knows
any suggestions?

thanks jack
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Old Oct 27, 2008 | 10:08 PM
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From: DeBary Fl. Amateur Radio Operator K3CQR
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Jack, first ascertain the bulbs do in fact light. take them out and connect to a 12v. source, or even a 9v battery, if they glow, then plug in. If as you say, the other lamps light, then you do have a good ground on the cluster. They should work. Bill.
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Old Oct 27, 2008 | 10:18 PM
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Originally Posted by Bill Irwin
Jack, first ascertain the bulbs do in fact light. take them out and connect to a 12v. source, or even a 9v battery, if they glow, then plug in. If as you say, the other lamps light, then you do have a good ground on the cluster. They should work. Bill.
its the little things i dont think of...like trying the bulbs in another socket

jack
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Old Oct 27, 2008 | 10:23 PM
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The clock has its own ground wire, as it is mounted in a fiberglass panel. 20 gauge black wire with a female spade terminal.
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Old Oct 28, 2008 | 02:25 PM
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What Buns said above. The bulb sockets ground to the clock housing which is grounded through that black wire.

DZ
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Old Oct 28, 2008 | 04:05 PM
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Not sure if buns and DZ mean that they have a separate ground wire or if they have the same set up my car has.. My 66 gets the lamp ground through the two wire clock connector. There is no separate ground wire. I leave my clock disconnected (thats a whole other story). But I have made a jumper to go from the ground wire in the clock connector to the grounded lug on the clock. Now the lamps work fine, without having to run the clock.

Harry

Last edited by 66since71; Oct 28, 2008 at 04:07 PM.
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Old Oct 28, 2008 | 04:33 PM
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Hope this helps.

DZ
Attached Images
File Type: pdf
Clock connector and lamps.pdf (69.1 KB, 143 views)
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Old Oct 28, 2008 | 04:43 PM
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Originally Posted by buns
The clock has its own ground wire, as it is mounted in a fiberglass panel. 20 gauge black wire with a female spade terminal.
Originally Posted by DZVette
What Buns said above. The bulb sockets ground to the clock housing which is grounded through that black wire.

DZ
Originally Posted by 66since71
Not sure if buns and DZ mean that they have a separate ground wire or if they have the same set up my car has.. My 66 gets the lamp ground through the two wire clock connector. There is no separate ground wire. I leave my clock disconnected (thats a whole other story). But I have made a jumper to go from the ground wire in the clock connector to the grounded lug on the clock. Now the lamps work fine, without having to run the clock.

Harry
You guys are all saying the same thing only using different words.
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