Thread: Civic HX Lean Burn "Econo" Light
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Old 03-24-2015, 12:15 AM   #34 (permalink)
firehawk618
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Join Date: Oct 2014
Location: Marysville, wa
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97 Civic HX sedan VX trans - '98 Honda Civic LX + HX + VX
90 day: 41.9 mpg (US)
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I'm fairly certain that 4th wire is to dim the light at night when you have your headlights on.
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1998 LX with a full HX swap + VX transaxle.
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