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i had the mechanical boost gauge and hooked up the way Mr. 5 did, but now I have my digital and connected them to the same wires but it's only ON when I turn the headlight on or it's off. So people with boost gauge, where do you guys tap the yellow and red wires? Digital boost gauge is FTW, easy to read, it's hard to tell if it's 14, 15, or 16 psi with mechanical gauge w/o peak hold
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