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Roadmaster 12V Power Accessories - Power Socket - RM-9332 Review

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Review of Roadmaster 12V Power Accessories RM-9332

Today, we're going to be taking a look at the Roadmaster 12-volt outlet kit. This kit creates a 12-volt power outlet with 20 amps of power, does come with the fuse holder right here and it comes with a 20-amp fuse. The unit provides a 12-volt power outlet for your supplemental braking system. This can also be used to simply add another outlet to your vehicle. It can also be used to replace an outlet with insufficient amperage or to bypass a corroded or otherwise damaged 12-volt outlet socket. When your car is in the tow mode, there's usually no power running to your accessory outlets. Installing this unit fixes that problem.

It provides an independent outlet and direct power for your braking system. It's going to have about five feet of wiring that's included, that way you can easily get the wiring where it needs to go like to the vehicle battery. It's going to come with a mounting bracket, it's going to come with a fuse tap, and it's going to come with the necessary mounting hardware. It's also going to include a detailed set of installation instructions. If your battery cable must be disconnected for towing, you can connect the wire with the fuse holder, that'd be this wire here, to the positive terminal on the tow vehicle's battery and connect the wire with the ring terminal to the negative terminal on the battery. Please note that it may be necessary to remove the ring terminal and the spade terminal and attach the appropriate connectors for your application.

That's going to do it for today's look at the Roadmaster 12-volt outlet kit.

Questions and Comments about this Video

Tom K.


Etrailer Expert
Reply from Les D.

@TomK I made a trip to the warehouse to examine this part in person and I found the thickness and rigidity of the bracket to be more than sufficient for use inside the vehicle. To check the fit, I routed the wires through the bracket and pulled all the way through as shown in figure one of the instructions. When you press in firmly, there will be a place where the plug snaps onto the bracket. If you try to put the socket section through first it will not fit.

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