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Old 05-03-2022, 12:31 PM   #2
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Join Date: Aug 2016
Location: Hot Arizona
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Vehicle: 2004 Frontier
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Sounds like a bad headlight switch to me. Instrument cluster illumination, tail lights, and marker lights are all on the same circuit. Sounds like the contact for those in the headlight switch when in the "headlights on" position is not "closing" that circuit.

Your choice whether to replace the switch, or to "engineer" wiring so the cluster illumination, tail lights, and marker lights only come on in the headlight position (I did just that on my '8 Mazda truck before I replaced the headlight switch).
2004 Frontier King Cab (2WD, 5-speed, 4-cylinder, 105K), 1998 Frontier regular cab (2WD, 5-speed, 4-cylinder 253K), 1988 Mazda B2200 (2WD, 5-speed, 4-cylinder, 220K), 1971 VW Convertible (140K), 2005 Yukon (215K), 1970 VW (260+K)
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