Does the Tow Doctor Trailer Side Tester Work on a Trailer with LED Lights

Question

Question:

CAN THIS TEST TRAILERS WITH L.E.D LIGHTS? THANKS,PIGEON

asked by: PIGEON

1

Helpful Expert Reply:

The Tow Doctor for the trailer side is # HM50928. The other one, # HM50918, is the vehicle side.

For the trailer side model it does not work if the trailer has LED lights. LED lights draw too little power for the tester to work properly.

You could test the trailer side by using a separate 12 volt wire and applying power to each function. If the function does not work doing this test you know there is a wiring issue.

expert reply by: Michael H

1

Answer 1

Both the Tekonsha Trailer Wiring Circuit Tester #8010 and the Hopkins Tow Doctor Trailer End Test Unit #HM50928 are for testing the wiring of your trailer. Both will work with incandescent and LED lights. However, the Hopkins will not display…

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Answer 2

Hello Dylan. Without having a vehicle to connect to, the only way to properly test your trailers 7-way is to use a tester like the Tekonsha #8010 or the Hopkins Tow Doctor #HM50928. These testers provide a power source and will allow you to test all…

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Answer 3

We do have a tester for the trailer side of the wiring with the part #HM50928. You'd plug your 7-way into this and it will tell you if all if all of the functions are good.

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Answer 4

Timbren front axle kits #TFF350SD4 and #TFF350SD4B that fit the stock 2004 F-250 4WD are both considered standard capacity but part #TFF350SD4B does have slightly taller and stiffer springs. Otherwise they are essentially identical no-drill…

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Answer 5

The Hopkins Tow Doctor Trailer End Test Unit #HM50928 is our only trailer end tester. This will connect to a small 12 Volt battery with the included harness.

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Answer 6

The Timbren #TFF350SD4 are approximately 3.75" tall. Ideally you want a 1" gap after installation. If it is a little less that is fine they will just engage sooner.

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Answer 7

The function of trailer connectors are often similar, as evidenced by the accompanying diagram which shows the functions of 7-ways. It really depends on how the connector is wired; that said, there is an easy way for you to determine the functions of…

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Answer 8

The Hopkins Tow Doctor, part #HM50928 is used to test a trailer's brake and light wiring. It shows if there is a short circuit, overloaded circuit or low battery. You'll need to use a 12 volt or higher powered battery to correctly output a…

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Answer 9

To test a 7-way trailer connector on the rear of your vehicle you can use the Pollak Tester #PK12741. This tester is designed to work with all 7-way connectors. Another option is to use a circuit tester like #PTW2993 and go come pin to pin testing…

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Answer 10

Hi James, Good question, and installation is actually pretty simple for the Weigh Safe Safe Load Gooseneck Ball #WS27MR. All you do is put the unlocked #WS27MR into the gooseneck hole, push in the lock, and put the dust cover back on. I've added…

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Answer 11

Hey Al, Having used both I can confirm that the Big Truck Big RV Tongue Weight Scale w/ Storage Bag for Trailers #BTBRV44FR has been the better choice over the etrailer #e99044. This scale utilizes a different gauge that doesn't seem to have the…

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Answer 12

The heating element on your Atwood model GC10A-4E water heater (our part #AT94022) should be on the backside of the unit, towards the bottom of the tank. It will actually be behind the gas line assembly, which will need to be loosened and moved out…

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Does the Tow Doctor Trailer Side Tester Work on a Trailer with LED Lights

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