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Old 02-18-2015, 09:48 PM   #1
Hart_Rod
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Join Date: Apr 2005
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Tach dash swap

I would like to swap in a factory tach dash into my 86 Custom deluxe. Which years will be a direct swap? TIA.
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Old 02-18-2015, 10:05 PM   #2
ray_mcavoy
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Re: Tach dash swap

Does your truck currently have warning lights or a cluster with volt/temp/oil gauges?

If you have a cluster with gauges, a 1978 or newer tach cluster will be a direct swap. Although, if your truck has cruise control and you want to keep it functional, you might have to make some minor modifications to re-use your VSS (vehicle speed sensor) equipped speedometer in the tach cluster.

If you have a warning light cluster, you will have to re-pin the connector and make some other changes before you can swap in any gauge cluster (with or without a tach).
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Old 02-18-2015, 10:40 PM   #3
MalibuSSwagon
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Re: Tach dash swap

I got one from an 86 GMC C7000 and it was a direct plugin to my 86 C10 equipped with gauge package. Tach harness is a separate 3-pin harness.
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