08-29-2010, 12:52 AM
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#6
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Registered User
Join Date: Dec 2007
Location: Palmer, Alaska
Posts: 13,821
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Re: cluster opinions/options
Quote:
Originally Posted by 77gmcjoe
The tach cluster is not from an 85. The double warning lights at the bottom of the tach indicate it's a 77 to 79. If it has a mechanical oil gauge it is from a 77, if the oil gauge is electric it is from a 78 or 79. If the oil gauge is electric (and you already have gauges - not warning lights in your truck) it would plug and play in your 78. I notice it does have a newer style fuel gauge, but other than not matching visually it would work just fine.
The other non-tach cluster is from an 80 and up model truck. The newer style lettering (for lack of a better term) and 85 mph speedometer started in 1980.
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