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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Headlights Come on when truck is OFF
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<blockquote data-quote="FordTechOne" data-source="post: 2014445" data-attributes="member: 35543"><p>Do you have anything aftermarket installed such as lighting, audio, GPS, OBD2 plug-ins, etc? That’s the most common cause of these types of issues.</p><p></p><p>Also note that if the BCM loses communication with the headlamp switch, it defaults the headlights on as a failsafe. I’ve seen far to many aftermarket circuits spliced into the headlamp switch wiring causing that issue.</p></blockquote><p></p>
[QUOTE="FordTechOne, post: 2014445, member: 35543"] Do you have anything aftermarket installed such as lighting, audio, GPS, OBD2 plug-ins, etc? That’s the most common cause of these types of issues. Also note that if the BCM loses communication with the headlamp switch, it defaults the headlights on as a failsafe. I’ve seen far to many aftermarket circuits spliced into the headlamp switch wiring causing that issue. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Headlights Come on when truck is OFF
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