The truck never had a vac- gauge. The arrow points to the spot on the firewall where it runs through. I'm not real sure if it belongs in the cab or not . Anybody know where it should be hooked up?
thanks
john
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71 Cheyenne super
2 tone green and white
ZZ6 - Th350
4/6 drop
20x8.5 / 20x10 Billet Specialties
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