What Gauge Wire for Running to Battery Positive Post

Question

Question:

What gauge wire is the power wire that goes to the car battery for the trailer wire hardess for 2023 toyota rav4

asked by: Nu

0

Expert Reply:

Hey Nu, in general people run 10 gauge wire from the trailer battery to the trailer wiring connector to ensure you get the most charge possible. We have that by the foot with the part # 10-1-1.

expert reply by: Jameson C

0

Jameson C.

1/12/2026

Hey Nu, how did things go using the 10-gauge wire for your RAV4’s trailer wiring? Your results could really help others setting up a similar connection.

Answer 1

In order to charge the 100 amp hour auxiliary battery on your trailer while in tow with your 2018 Toyota Highlander Hybrid you will need to use a DC to DC battery charger. The 12 volt pin on your 7-way would not be sufficient to charge the auxiliary…

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Answer 2

Hey there Michelle! While weight distribution systems are supposed to get the truck and trailer as level as possible, they are not complete miracle workers and won't make both 100% level in all situations. In fact, Andersen has a section of the…

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Answer 3

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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Answer 4

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 5

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 6

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 7

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 8

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 9

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 10

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 11

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 12

The Demco Hydraulic Trailer Brake Actuator part #DM72VR should be a direct replacement for the Atwood 61101 Brake Actuator that you have now. This newest updated it rated at 7K instead of 6K. This is a bolt on option that mounts on 3" centers.…

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What Gauge Wire for Running to Battery Positive Post

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