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Message: <blockquote data-quote="John_Smith" data-source="post: 19796" data-attributes="member: 15372"><p>The scenario is like this:1. Put gear in reverse (manual). No lights + no reverse sensor beep comes out (reverse sensor is tapped from the reverse light wire).2. Checked fuse, gear box reverse switch, voltage (13V).. all are healthy.3. When the wiring harness from the light is plugged out, the reverse sensor works. When plugged in, it doesn't.4. Use a relay, tap in reverse light wire, to act as on/off switch, then tap the power of relay direct to battery, it works fine. Both reverse light + reverse sensor works!But I didn't go for the last modification. I want to trace the root cause of this problem. It seems like there's insufficient power ON both reverse light + reverse sensor. Both were working fine for few years already.Can anyone help?? Thanks!</p></blockquote><p></p>