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Miscellaneous Automotive
Car Electronics & Appearance
Bizarre Rear Camera Issue
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<blockquote data-quote="Deiimos" data-source="post: 8812863" data-attributes="member: 682903"><p>First I would measure the voltage at the reverse wire on the head unit, while the car is in reverse. According to a Kenwood manual, it likely does see the 12v+ from the reverse lights to trigger the head unit, so should be constant 12v+ while in reverse. I think most head units use a 12v+ signal from the reverse lights.</p><p></p><p>Perhaps a quick test if not good at measuring voltages, would be to manually send 12v+ directly to the head units reverse wire to make sure it triggers properly and switching the display. If it does work when force feeding 12v to that wire, then the reverse wiring where it taps into the reverse lighting is wrong somewhere. At this point I would run a new wire from the reverse lights to the head unit and not bother with the built in wire on the RCA cable.</p></blockquote><p></p>
[QUOTE="Deiimos, post: 8812863, member: 682903"] First I would measure the voltage at the reverse wire on the head unit, while the car is in reverse. According to a Kenwood manual, it likely does see the 12v+ from the reverse lights to trigger the head unit, so should be constant 12v+ while in reverse. I think most head units use a 12v+ signal from the reverse lights. Perhaps a quick test if not good at measuring voltages, would be to manually send 12v+ directly to the head units reverse wire to make sure it triggers properly and switching the display. If it does work when force feeding 12v to that wire, then the reverse wiring where it taps into the reverse lighting is wrong somewhere. At this point I would run a new wire from the reverse lights to the head unit and not bother with the built in wire on the RCA cable. [/QUOTE]
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Bizarre Rear Camera Issue
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