2017 Prius Prime, Constant and Switched Power

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nytosc

Member - Posts: 2

Joined: November 05, 2018

Location: California, United States

Posted: November 05, 2018 at 2:18 PM / IP Logged

Hello everyone,

Newb here (was a 12v installer way back in college and would use this site for diagrams and what not). I went to install a dashcam on my 2017 Prius Prime (not the standard Prius) and am having all sorts of trouble finding switched power and ignition. Does anyone here have any experience in finding such? I pinned out the fuse box, found circuits that looked good, but after the car sits for a certain period of time it seems like the circuits change?

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i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 05, 2018 at 7:09 PM / IP Logged

12 Volts White (50A) + Dash Fuse Box, white 1 pin plug (3L), pin 1

Ground (chassis ground)

Starter Black + Hybrid Vehicle Control ECU behind glove box, black 54 pin plug, pin 4

Ignition Violet + Dash Fuse Box, white 32 pin plug (3F), pin 13

Accessory Red + Dash Fuse Box, rear, white 56 pin plug (3A), pin 30

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i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 05, 2018 at 7:10 PM / IP Logged

Radio 12V Lt. Blue + Radio, white 10 pin plug, pin 4

Radio Ground Lavender/Brown - Radio, white 10 pin plug, pin 7

Radio Ignition Gray + Radio, white 10 pin plug, pin 3

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nytosc

Member - Posts: 2

Joined: November 05, 2018

Location: California, United States

Posted: November 05, 2018 at 7:28 PM / IP Logged

Thank you for this! May I ask where you are able to find this information? I assume "ignition" and "accessory" are the same as switched power?

I'd love to be able to find the actual OEM schematics- any tips where I can find that level of detail?

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