WRKO Posted September 18, 2022 Share Posted September 18, 2022 Hello all -- wondering if anyone else has experienced a difference in voltage read out between the 123 Ignition app and other. My DMM and VDO volt gauge read just about the same (in the higher 13s) and the while the 123 ignition is sometimes as low as 10 or 11. Quote Link to comment Share on other sites More sharing options...
John76 Posted September 18, 2022 Share Posted September 18, 2022 Is the 123's power coming through a resistor? You might have that "secret" resistor wire hidden in the green supply wire from the #12 fuse (unfused side). 2 Quote Link to comment Share on other sites More sharing options...
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