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Old 06-05-2021, 01:45 PM   #14
Peepaw
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Join Date: Feb 2013
Location: Pearland, TX
Posts: 137
Re: Wiring turn signal question, purple wires

Quote:
Originally Posted by pjmoreland View Post
There are minor differences in the wiring harness from one year to the next, and variations depending on options. You can find year-specific schematics in chapter 12 of the factory service manual for your truck (available for download in the link I sent previoisly). Does/did your truck have a second fuel tank?
No sir. 72 C10 402, LWB, 2WD, Turbo 400, AC, 12 Bolt, single fuel tank.
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'72 C10 5.3 SINGLE 76, freight train
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