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| | | Forums66 Topics128,110 Posts1,056,274 Members48,439 | | 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!
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For helping keep this great
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| | | | Joined: Oct 2009 Posts: 426 Shop Shark | | Shop Shark Joined: Oct 2009 Posts: 426 | Trying to hook up the factory tach in my 63. Ordered a new wiring harness, but didn't come with any instructions on how to hook it up. Ive got a factory assembly manual, but its no help. | | | | | Joined: Oct 2009 Posts: 426 Shop Shark | | Shop Shark Joined: Oct 2009 Posts: 426 | ok. After taking the tach out, it is a suntach de-6 for 8cyl engine w/12volt made in april 64. The wiring is totally seperate from the harness, so it is fairly simple. The tach is grounded through the dash, the power wire (left side of tach is looking at back) plugs into the fuse panel, and the sensor wire connects to the neg (-) side of the terminal on the coil. The light plugs in center and install is complete. I got a tach out of a two ton truck and converted my factory warning lights to factory gauges. Sum paint, polish and tlc...and they look great. Ive got the air gauge also...tryna figure some way to rework it to read vac instead. | | | | | Joined: Sep 2009 Posts: 4 New Guy | | New Guy Joined: Sep 2009 Posts: 4 | Check your mailbox. I have vacuum gauges. | | |
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