V Viper5150 New member Joined Oct 9, 2025 Messages 1 Oct 9, 2025 #1 Acquired several used Viper speedometers but need to power up and see mileage on them. Can someone with a service manual tell me what color wires are power and ground to test these? Any help appreciated.
Acquired several used Viper speedometers but need to power up and see mileage on them. Can someone with a service manual tell me what color wires are power and ground to test these? Any help appreciated.
