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Old 08-02-2019, 08:24 AM   #11
ewoody625
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Join Date: Jan 2009
Location: valparaiso,in
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Re: 67-72 Electric speedo

Quote:
Originally Posted by ls1nova71 View Post
I'm not sure what that wire labeled ammeter is, but I probably wouldn't use that for ignition power. The gauges will have power already going to them, so you would just need to use that wire. The speedometer wire would come from the PCM.
I rewired the whole truck with a painless harness and the ammeter to ignition was one of the wires in the stock cluster plug. I cut that off and spliced in my connector for the updated gauges. So the green wire from the speedo I need to wire to whatever it is out of the pcm?
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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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