Should Battery of Vehicle Be Disconnected When Installing Hopkins 7-way part # HM48470

Question

Question:

I would like to purchase HM48470 to replace my existing 7-pole RV trailer connection enabling use of LIWSR1-7B and my tow dolly with a 4-flat connection. Do I need to disconnect the chassis battery before installing this product?

asked by: Richard S

0

Expert Reply:

I would recommend disconnecting the vehicle battery before installing the Hopkins 7-way part # HM48470. It would be very easy to short out the bare wires of this kit when wiring it up.

expert reply by: Jameson C

0

Answer 1

The Curt 5th Wheel/Gooseneck Custom Wiring Harness part #C56070 is what I recommend for a 2022 Ram 3500. This will tee in behind the factory trailer connector at the bumper and provide a seven way connection in the truck bed for fifth wheel and…

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Answer 2

If you are not wanting to use a Adapter 7-Pole to 6-Pole #47549 and would rather wire in a new Hopkins 7-Way RV Style Connector #HM20087 the wiring may be confusing. There may be some trial and error involved as the wiring could have been connected…

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Answer 3

It really comes down to the 7-way and wiring you are using. You saw the Hopkins 7-Way RV Style Connector #HM20087 which uses the following wiring configuration. White: ground wire Red: left turn/brake light Brown: right turn/brake light Green: tail…

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Answer 4

If you have connected your Hopkins 7-Way RV Style Connector w/ Molded Cable and LED Test Lights - Trailer End - 8' Long #HM20087 incorrectly, you will not cause any damage to your system as long as the ground connection installed correctly. If…

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Answer 5

If the 7-way you are referring to is the trailer side connector you will only need the blue wire in the 7-way if your trailer has electric trailer brakes. I do know that there are several trailers on the road with 7-way connectors for the charge line…

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Answer 6

I checked and found the manual for the Lippert Electric Trailer Jack #LC285318 and there was no mention of anything going in the hole beforehand to tighten them. I added a cut out of the manual for you which shows the parts for this jack, and it does…

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Answer 7

Your trailer battery can be charged by the 7-Way 12V blade. This is a maintenance charge only, so if you have a dead battery, you would still need to connect it to a standard battery charger like the NOCO Genius #NOC34FR to get a decent base charge.…

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Answer 8

There are several items you might want to try using for removal of corrosion in your 7-way trailer connector, like part #HM48480. White Vinegar A wedge shaped, slip on pencil eraser or art gum eraser Pipe cleaners PB Blaster If the corrosion is…

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Answer 9

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 10

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 11

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 12

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Should Battery of Vehicle Be Disconnected When Installing Hopkins 7-way part # HM48470

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