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Old 08-03-2008, 10:03 PM   #1
worthirt_99
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Insturment Cluster

On our insturment cluster, what is the wire coming off the top right bulb connected to? I'm assuming it's for the light in the ashtray, but I could be wrong. That or I have a bubba job.
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Old 08-03-2008, 10:23 PM   #2
WarBeard
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Re: Insturment Cluster

Its a fiber optic light for the ash tray.
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Old 08-03-2008, 10:27 PM   #3
Albatrossian
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Re: Insturment Cluster

Quote:
Originally Posted by motomech View Post
Its a fiber optic light for the ash tray.
What year model truck are we talking about here? Both my 80 and 81 have light bulbs..
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Old 08-03-2008, 10:29 PM   #4
WarBeard
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Re: Insturment Cluster

He has a 85 C-10, stock, 2wd
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Old 08-03-2008, 10:29 PM   #5
worthirt_99
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Re: Insturment Cluster

I've got an 85. I just didn't see anything for it in the wiring diagram is all.
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Old 08-03-2008, 10:32 PM   #6
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Re: Insturment Cluster

Its not really a wire, its a thin piece of plastic that runs to the ash tray
there emitting lite from the bulb in the instrument cluster.

Last edited by WarBeard; 08-03-2008 at 10:32 PM.
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Old 08-04-2008, 12:54 AM   #7
BLE 'BURBAN
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Re: Insturment Cluster

My old 74 1/2 ton had that same set up as did my 81 crew cab and my '90 suburban had it as well. I don't smoke so I removed it from all 3 as it was a PITA to deal with for me.
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1987 R3500 CREW CAB DUALLY (BIG RED)Acquired 06/12/2015
1990 chevy suburban V2500 5.7L
My cluster Mods-Nov 2007
overhead console Stereo install Round 2 Aug 2009
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Old 08-04-2008, 05:57 PM   #8
worthirt_99
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Re: Insturment Cluster

neither do I, so I was thinking the remove thing also. Mabye just to get that light to work, put in a new bulb holder.
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Old 08-04-2008, 06:02 PM   #9
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Re: Insturment Cluster

What trouble is it causing.....or does the bulb in the cluster just not work?
I recently replaced all my bulbs in the cluster weather they were working or not and now its alot brighter
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