How to Remove Power from 12V 7-Way Pin on 2014 Chevy Silverado 1500 When Truck is Off

Question

Question:

I have a 2014 Silverado 1500 with a slide in the bed truck camper. Camper is connected to the truck through the 7-way trailer plug. The plug is wired constant hot which allows the camper to drain down the truck battery if you don’t unplug the camper. The hot wire is on a 30 amp fuse in position 2 under the hood. I’d like to switch the hot wire to only be hot when the truck is running. Do you have a recommendation? Maybe just a simple 12v 30 amp relay?

asked by: Kyle L

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Expert Reply:

We do have some easy ways to disconnect the connection between the battery on your 2014 Chevy Silverado 1500 and your in-bed camper. The best option is a battery isolation solenoid like the # PK5231201 because it does all the work for you and you don't have to remember to manually switch something off.

expert reply by: Jon G

0

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Answer 1

While unlikely, it is certainly possible that the trailer battery could backfeed to your vehicle's battery when hooked up under the scenario you described. To make sure this doesn't happen all you need to do is add a single diode like…

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Answer 2

Diodes like the part #RM-790 only allow current to flow in one direction. Usually a diode is a small cylindrical shaped component (not in this case) which has two leads on it, the anode and the cathode. When the anode side of the diode is facing…

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Answer 3

Yes, I recommend to use the Roadmaster Hy-Power Diodes part #RM-792 to prevent electrical feedback since you are using the lights for both utility lights and reverse lights. A diode has 2 inputs and one output and will allow power to only flow one…

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Answer 4

The best way to power the interior lights in your trailer is with its own independent battery. You will not want to use the breakaway battery. The breakaway battery is only designed to operate the breakaway and will drain extremely quickly,…

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Answer 5

You are correct in your description of how to wire in a new auxiliary battery in your enclosed trailer. You will take the 7-Way's 12V power feed and route this to the positive terminal on the auxiliary battery, and you will ground the second…

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Answer 6

In order to use your reverse lights as utility lights you would have to have a separate 12 volt power wire running to the lights. You would need a switch and you would need diodes to prevent back feeding. You would need to run some wire from the 12…

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Answer 7

Yes, the Roadmaster Diode part #RM-792 or part #RM-690 can be installed after the two reverse light circuits are already spliced together. The diodes are basically just a one way check valve for electricity so as long as you are not exceeding the…

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Answer 8

The only difference between the Roadmaster Hy-Power Diodes #RM-792 and #RM-794 is the quantity of diodes included with the kit. The #RM-792 includes two diodes while the part #RM-792 includes four. Otherwise the diodes themselves are exactly the…

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Answer 9

If all you want is to prevent the 12 volt power supply of your trailer battery wiring from backfeeding onto your vehicle wiring or vice versa what you need is a one-way diode like part #RM-690. This only allows current to flow in one direction so…

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Answer 10

You will want to use a single Diode #RM-790 for connecting your rear utility lights as reverse lights also. You will be able to place this diode near your existing light switch and run the wiring from your 7-way to there. This will eliminate having…

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Answer 11

I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any parts to do that. The light generally needs to be hardwired into the truck's brake light circuit. The issue with this…

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Answer 12

I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS…

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How to Remove Power from 12V 7-Way Pin on 2014 Chevy Silverado 1500 When Truck is Off

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