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Re: 67-72 Electric speedo
So I guess I don't have this down yet. I got the speedo hooked up to the ecm but I'm not sure of the ignition source. I have a wire from the truck labeled gauges B+, which leads me to believe that's hot all the time? I don't want power to the gauges all the time do I? The other wire I have is the one labeled ammeter to ign sw, which I'm guessing is ignition switch. Do I need 2 ignition sources? One for the speedo one for the other gauges?
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