08 suburban
Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=114854
Printed Date: July 07, 2025 at 4:59 PM
Topic: 08 suburban
Posted By: thejetmolina
Subject: 08 suburban
Date Posted: July 04, 2009 at 3:10 PM
my dad has an 08 suburban the only aftermarket accessory is a mirror monitor for a camera on a trailer so its just the mirror which is connected to the positive and negative of one of the visors would this drain the battery overnight???
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Beep Beep who got the keys to the Jeep
Replies:
Posted By: i am an idiot
Date Posted: July 04, 2009 at 4:12 PM
It could. It really depends on how much current the device pulls, and the condition of his battery. Normally one would power such a device off of the reverse wire so it would only be on while backing up. I have no idea if that will work for his application.
Posted By: thejetmolina
Date Posted: July 04, 2009 at 5:28 PM
the visor is a constant which is what i need cause when the trailer is hooked up he wants to be able to see behind him when he is driving but would it be better to connect bthe positive to an auxilliary and then ground the negative. ( i have been installing for about 4 years and this was the first time a 5 amp tv drained a brand new battery) ------------- Beep Beep who got the keys to the Jeep
Posted By: i am an idiot
Date Posted: July 04, 2009 at 6:22 PM
Yes a switched wire would be what you need. I know that there is no conventional switched wire in that vehicle. Maybe someone else will know where you can get such a source.
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Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
Posted By: thejetmolina
Date Posted: July 04, 2009 at 7:14 PM
can I use An aux from the steering column
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Beep Beep who got the keys to the Jeep
Posted By: i am an idiot
Date Posted: July 04, 2009 at 7:25 PM
There is a switched wire at the ignition switch, there is a problem with that wire. It will not provide enough current to power the monitor.
Posted By: thejetmolina
Date Posted: July 04, 2009 at 8:55 PM
best thing to do I'll just put my own cutoff swith on it
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Beep Beep who got the keys to the Jeep
Posted By: yimke
Date Posted: July 05, 2009 at 9:07 PM
Or you could use a relay off the ignition switch if the constant 12v is big enough gauge.
85 ground
86 ign wire
87 12volt constant
30 output to mirror backup.
Posted By: i am an idiot
Date Posted: July 05, 2009 at 9:27 PM
The ignition wire at the switch may not even be able to provide enough current to trigger a relay. I am sure that there is a suitable wire somewhere, I figured one of the hands on guys would have told us where he can get a switched source. Or let us know if the pink wire will power a relay. Or if it is even pink in that vehicle.
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