4-Way Flat Tester

11 reviews

$3.95 $3.95 $3.95

Product Description

Part Number:

4-Flat tester verifies taillight, right turn, and left turn functions.

  • Indicator lights
  • Keychain loop

4-Way Flat Tester Reviews (11)

4 out of 5 stars with 11 reviews

Juan A.

Recommends this product

It does exactly what is supposed to. It arrived promptly.

Timothy L.

Recommends this product

Good product and quick shipping.

Mr. D.

Recommends this product

Does what is says it does.

Anonymous customer

Simple necessity for towing.

Anonymous customer

wish it had a cover on the contacts

Questions & Answers (4)

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Please keep all questions appropriate and related to the product

How much is it to have you guys set up the lights for i can hook on a trailer i dont have lights for the trailer so seeing how much that would be.

–barbara 4/9/2016 6:35:05 AM

Prices will vary according to the type of wiring system your vehicle and trailer combination require.

Please call or visit your local U-Haul hitch location for accurate pricing. Save $10.00 by scheduling your install online.

–Joseph 4/12/2016 9:25:17 AM

On my suv I have the round light connector that connects to a trailor, do you have anything to connect to it that has the flat end connector on it so I can connect to the flat end on the trailor and if so how much for the connector please and Thank you.

–Robert 10/1/2015 5:24:20 AM

U-Haul carries a variety of trailer wiring adapters starting at $12.95, please visit this link to find the adapter that fits your vehicle/ trailer combination.

–Joseph 10/8/2015 12:47:03 PM

Every time I try to reserve my car with the trailer, it could not be? I do not how to control so that the trailer go back as exactly as I want? Do you have any suggests?

–Michael 5/31/2015 6:31:47 AM

im renting a 5x9 covered trailer from you. what size ball do I need ?any special wiring I need?

–mike spanberger 1/22/2014 9:12:08 AM

Our hitch pros write: "Hitch ball sizes of 1-7/8 inch and 2 inch are acceptable with a U-Haul trailer coupler. U-Haul trailers are equipped with the standard 4-flat trailer end connector."

–Ronald 1/22/2014 10:53:46 AM

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