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Discussion Starter · #1 ·
I just bought my first Tundra (used) and everything works great except for the rearview camera. The truck is a 2007 CrewMax Limited with the camera in the tailgate handle area and the viewing monitor(fixed) is in the overhead area and all OEM. The problem is when I put it in reverse nothing happens in the monitor. First thing I did was to check if the tailgate plug was plug-in and yes it was plugged in. I unplugged it and visibly checked to see if all the connectors were clean and confirmed clean, I then plugged it back in. The second thing I did was to check the monitor in the cab. I verified it was plugged in fine. I unplugged it from the back of the monitor unit and did some simple testing with a test light. The picture attached is the plug I'm referring to and the numbers I'm labeling is left to right. 1) empty -No Wire
2) black wire- ?? maybe ground?
3) blue wire - comes on when in reverse
4) grey wire - comes on with the headlights
5)empty - No Wire
6) red wire- comes on with key in the acc-on position
7) black - ??
8) white - ??
9) yellow - ??
10) purple - ?? I'm new to this forum so bear with me, I'm having problems posting the picture of the plug. So here's the questions I have, How do I continue with my troubleshooting in order to fix this and get it working. The other question I have is does anyone know what the other wires are I have labeled with (??) ? I'm assuming #7/8/9/10 are from the camera but don't know for sure and don't know how to test if that's working. And lastly and almost forgot, I thought the monitor was bad/defective so I bought a new OEM flip down design from EBAY and plugged that in and still nothing. Thank you in advance for anyones input.
 

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ground on toyotas is always white with black stripe...make sure it is getting power to the camera...camera seems to be the weak link on these systems...
 

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Discussion Starter · #3 ·
ground on toyotas is always white with black stripe...make sure it is getting power to the camera...camera seems to be the weak link on these systems...
Thanks for the input, How do i test that? Do I just unplug the plug under the rear bumper and test with a light or a volt meter?
What should I expect from the 4 wires?

thanks again
 
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