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How to wire up the 4-HI mod.
Sorry to keep this going but I have the ballast HID (Xenon) system for both low and high beam, no relay installed for either. Should I buy the harness relay kit for both high and low, if only one is needed, which system should I apply it to. Also, I have a 35watt HID kit for both high and low...- babypumpkinhead
- Post #16
- Forum: Tech Info
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Gas Mileage?
Hello all. I have a 99 Tahoe 4dr, 155k on it, newly built heads, new tune up, and valve cover, new temp sensors, oil pan and intake manifold gaskets. My brother had the exact same truck but with about 80,000 miles on it and he was getting 15+ MPG. I get 10-14, sometimes even on the highway...- babypumpkinhead
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- Replies: 10
- Forum: Performance
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How to wire up the 4-HI mod.
Thank you for the warm welcome. The diagram above says that the relay connects the high and low beam. Where would the second relay come in?- babypumpkinhead
- Post #14
- Forum: Tech Info
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How to wire up the 4-HI mod.
Do I need a relay kit for this if I have an HID kit with ballasts and no relay. I have HID on both low and hi beams. Thanks!- babypumpkinhead
- Post #12
- Forum: Tech Info
