Installing The Roadmaster Universal Hy-Power Diode Wiring Kit # RM-154 In A 2012 Fiat 500

Question

Question:

Sir, I have a 2016 Winnebago View, and 2012 Fiat 500C. I bought the RM-154 trailer wiring. my questions is which diagram should I follow? Combine to combine? Combine to Separate? Separate to Combine? Separate to Separate? Please help. thank you so much.

asked by: Danny S

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Expert Reply:

To determine the wiring for your 2016 Winnebago View you can look at how the tail lights function. If the brake light also functions as your turn signal then you have combined lighting. The lighting for your 2012 Fiat 500 is wired separately so once you know what the wiring for your motorhome is you can use the corresponding wiring guide I've attached for the Roadmaster Universal Hy-Power Diode Wiring Kit # RM-154.

expert reply by: Kevin C

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Determing Separate Or Combined Motorhome Wiring
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Combined RV and Separate Vehicle Wiring Diagram
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Separate RV and Separate Vehicle Wiring Diagram
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Answer 1

Thank you for providing a detailed description of your lighting issue and of the troubleshooting steps you have taken so far. Diodes should not cause a voltage drop if they are operating properly. You can test whether the diodes are the problem by…

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Answer 2

First, your owners manual forbids recreational towing of a 4X2 truck. If you have a 4X4 then follow the guidelines in the manual. You will need a flat tow wiring kit. You mentioned the #RM-154. I recommend the Roadmaster #RM-152-98146-7 Universal…

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Answer 3

Yes, the LED lights on your truck will not affect the Roadmaster Universal Hy-Power Diode Wiring Kit #RM-154. You will be able to use this kit with those lights and it will work well. I have added a link to a video review below for you to take a look…

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Answer 4

You can wire up a vehicle with separate taillights as a combined vehicle as long as the brake lights and running lights are on the same circuit which should be the case on your 1998 Ford Ranger. It would be just a matter of installing the diodes on…

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Answer 5

When installing tow bar wiring on a vehicle with separate brake and turn signals that will be flat towed you would want to use a diode kit like the Demco 4-Diode Universal Towed Vehicle Wiring Kit w/ 7-Wire to 6-Wire Coiled Connector #DM9523010-54.…

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Answer 6

A converter is not necessary. You can treat the Escort as though it does not have the amber turn signals. They will still function when you drive the Escort, but when you tow it behind the RV the system is simplified to the RV 4 Wire system. There…

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Answer 7

The Roadmaster Universal Hy-Power Diode Wiring Kit part #RM-154 will use the brake light bulb to display both the brake and turn signal circuits. The turn signal bulb will then not be used while the vehicle is in tow but it would still work as normal…

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Answer 8

Your 2013 Mini Countryman uses a 3-wire lighting system. That means there is a wire for the turn signals, stop lights, and taillights. You will need to install a diode on each of these circuits to prevent power backfeed. If you take a look at the…

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Answer 9

Diodes like the part #RM-790 have two wires on the input side so that you can have two different power sources activating a single circuit (the out side) and not have to worry about the power circuits backfeeding on each other.

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Answer 10

For your 2002 Toyota Tacoma, I recommend the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit #RM-15267. This kit will allow you to wire your Tacoma to accept the RV's tail, brake, and turn signal lights for flat towing. Since you have…

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Answer 11

That is exactly what converter #118158 was designed for. You will not have to use diodes, although you could if you wanted and it wouldn't hurt anything, because there is only one input circuit for each of the wires. The red output wire would go…

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Answer 12

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Installing The Roadmaster Universal Hy-Power Diode Wiring Kit # RM-154 In A 2012 Fiat 500

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