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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2004 Posts: 438 Shop Shark | | Shop Shark Joined: Apr 2004 Posts: 438 | The instrument cluster in my '61 C20 is all scratched, broken, and otherwise in need of replacing.
Which years will interchange and fit in my truck?
Husker | | | | | Joined: Nov 2004 Posts: 1,552 Shop Shark | | Shop Shark Joined: Nov 2004 Posts: 1,552 | '60-'63 Chevy truck clusters will interchange, but the gauge cluster and warning light cluster, require a slightly different underdash wiring harness. 4-5-6 Chevy truck clusters will interchange, but the gauge cluster and warning light cluster, require a slightly different underdash wiring harness. Although similar, the GMC clusters, of the same years, are different, from the Chevy clusters. The lenses for the Chevy gauge clusters & warning light clusters are available from many of the aftermarket truck parts suppliers, like: www.lmctruck.comwww.classicparts.comwww.bowtiebits.comwww.truckandcarshop.com
Last edited by 4-5-6 Chevy Trucks; 05/14/2011 6:03 AM.
| | | | | Joined: Apr 2011 Posts: 12 New Guy | | New Guy Joined: Apr 2011 Posts: 12 | the underdash AND engine wiring harnesses are different between gauge clusters and warning light clusters.
1963 GMC 1000 Wideside
| | | | | Joined: Nov 2004 Posts: 1,552 Shop Shark | | Shop Shark Joined: Nov 2004 Posts: 1,552 | Also, the six cylinder & V8 harness are slightly different. | | | | | Joined: Apr 2004 Posts: 438 Shop Shark | | Shop Shark Joined: Apr 2004 Posts: 438 | Thanks, guys! I think I found a '61 cluster. The junk yard is checking to see if it works, and give me some dimensions. And if that doesn't work, I'll go shopping at the above listed stores. I've only been to LMC, so thank you for the other options and info! :-) | | |
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