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#2512018 - 06/22/18 11:13 PM Journey electrical question
GKMOPAR Offline
mopar

Registered: 03/09/07
Posts: 694
Loc: Hilliard, Ohio
Adding a backup camera to a 2017 Journey. Sounded pretty simple. Got everything hooked up but not working properly. Tapped into backup light wiring to power camera when shifted to reverse. Image on screen blinks but does not work. I put a volt meter on the + & - wires going to the bulb & getting fluctuating readings between 11 & 12 volts. If I hook the camera wires to a 12v battery everything works. Seems like I am not getting a strong 12v from the bulb wiring. Any ideas?

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#2512021 - 06/22/18 11:17 PM Re: Journey electrical question [Re: GKMOPAR]
RapidRobert Offline
Circle Track

Registered: 11/20/03
Posts: 33698
Loc: Lincoln Nebraska
You might move the meter upstream till you reach the connection that has a steady 12V then check/clean the connections downstream from that point to hit the bad one. Confirm a good ground path also.
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#2512023 - 06/22/18 11:27 PM Re: Journey electrical question [Re: GKMOPAR]
stumpy Offline


Registered: 01/19/03
Posts: 29242
Loc: Grand Prairie,Texas
When I installed the back up camera on my 2012 Ram I had to have the dealer update the computer to recognize it correctly.

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#2512026 - 06/23/18 12:02 AM Re: Journey electrical question [Re: GKMOPAR]
mod381 Offline
enthusiast

Registered: 02/26/09
Posts: 321
Loc: wisconsin
Aftermarket or factory system? Some of the aftermarket ones have switches on the box that gets installed behind the screen that need to be switched depending on system.

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#2512108 - 06/23/18 09:56 AM Re: Journey electrical question [Re: mod381]
GKMOPAR Offline
mopar

Registered: 03/09/07
Posts: 694
Loc: Hilliard, Ohio
Aftermarket. Did not see any switches. Connection is about 2 feet from bulb. I removed the bulb & attached wires to the bulb contacts to test & same issue. Looks like inside structure of hatch is plastic or fiberglass so can't ground to it so as a test I grounded to a bolt on hinge but did not change anything. I am thinking it has something to do with the body control module because the voltage seems to fluctuate??

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#2512696 - 06/24/18 05:04 PM Re: Journey electrical question [Re: GKMOPAR]
DartGTDan Online   content


Registered: 05/14/04
Posts: 732
Loc: North of the Motor City
You could try using a relay. Use the "back-up" signal to enable the relay's coil (85 or 86 (with a good ground on 86 or 85)). Fused battery feed to contact supply (30), then the other contact (87) out to your camera's +12V input.
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#2512851 - 06/24/18 11:16 PM Re: Journey electrical question [Re: DartGTDan]
GKMOPAR Offline
mopar

Registered: 03/09/07
Posts: 694
Loc: Hilliard, Ohio
Will try and let you know. Thanks

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