Open Plug Question
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Join Date: Nov 2006
Location: Memphis, TN 38135, USA, Earth
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Chilton's is a waste, IMO. Gy/R is a common Ford ground color, but I don't recognize Wh/Gn. It's probably Y/LG, which would match the PSP. Someone probably replaced the PS hose with one that lacks the fitting for the PSP switch. Don't worry about it - it only bumps the idle when you're steering at low RPM. It's not needed.
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