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Old 12-09-2021, 06:43 PM   #1
70STOVEBOLT
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Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,243
Th400 and tach wiring locations

Converting my 70 to a tach dash. I have a TH400 trans now and the kickdown wire is currently routed through a grommet in the firewall to the left of the bulkhead connector and to the right of the emergency brake cable grommet. Where was the tach wire routed through the firewall with a TH400 transmission? I have searched but could not find the info. Pics would be good too.
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2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear
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