Thread: 67-72 Electric speedo
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Old 08-02-2019, 01:35 PM   #503
ewoody625
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Re: 67-72 Electric speedo
Quote:
Originally Posted by ls1nova71 View Post
The speedo out put from the PCM will be pin 50, a dark green with white stripe in the C2 connector, which is either the red or green one depending on what year your engine is.
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Eric

70 CST10 long bed in pieces also factory air and cruise(the project)

18 Silverado crew cab 5.3 4x4

My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=402166
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