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Click on image for the lowdown. 
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| | | Forums66 Topics128,078 Posts1,056,035 Members48,433 | | Most Online14,466 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | There were several routings over the years. At some point in time the gauge output was moved from front to back. The 228 and the 302 were probably routed differently.
Check the site GMCJoe linked to. | | |
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