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hayesperformanceplus · 03-06-2010, 10:53 AM

I have one from a 76' and had a 77' silverado with one.

The difference I remember is that the 77' looked exactly like yours, looking "later model" (Minus the orange, and red on the tach) but with the mechanical oil pressure guage.

The 76' had a single indicator light under the speedo and I'd have to look but if I remember right also under the tach. also there was no blue highlighted line on the speedo and tach.

I could be wrong but I though the Clusters went:
- 73'-76'
- 77'
- 78'-79'
- 80'-86'

03-06-2010, 10:53 AM	#4
hayesperformanceplus Performance Shop Owner Join Date: Oct 2009 Location: Edmonton, Alberta, CANADA Posts: 332	Re: 73 chevy truck tach cluster with harness I have one from a 76' and had a 77' silverado with one. The difference I remember is that the 77' looked exactly like yours, looking "later model" (Minus the orange, and red on the tach) but with the mechanical oil pressure guage. The 76' had a single indicator light under the speedo and I'd have to look but if I remember right also under the tach. also there was no blue highlighted line on the speedo and tach. I could be wrong but I though the Clusters went: - 73'-76' - 77' - 78'-79' - 80'-86' __________________ 1980 GMC C25 Sierra Classic with 20,000 ORIGINAL MILES (32,000Km's) & Matching numbers 1977 GMC C35 Sierra Classic Crew Cab 454 A/C with 21,000 Miles & Matching numbers 1980 Chevrolet Silverado K20 400 4spd 4X4 74,000km's 1980 GMC C25 Sierra Classic CREW CAB, All Options, with 49,000 Miles 1979 GMC C15 Sierra Classic 454 1989 GMC R3500 CREW CAB 2003 Grand Prix GTP 1998 Regal GS