Material of HydraStar Disc Brake Kit & Do They Fit Dexter 7,000 lb Axles

Question

Question:

Are the rotors in the HSE7K-TR1kit Stainless Steel or some other material? Is the HSE7K-TR1kit a verified fit for DEX 7658660 7000# axles? 2019 Grand Design Momentum 398M Triple Axle Toy Hauler. Thank you

asked by: Paul J

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Expert Reply:

The hub as well as rotors are cast iron for the disc brake kit from HydraStar you asked about:

- HydraStar Disc Brake Kit w/ Actuator for Triple Axle Trailers - 13" Hub/Rotor - 8 on 6-1/2 - 7K # HSE7K-TR1

They are dacromet-coated as well to help ensure corrosion resistance. I can verify for you that the HydraStar Kit # HSE7K-TR1 does in fact fit Dexter 7,000 lb axles, as they have the correct bearings (25580 and 14125A) and grease seal (GS-2250DL) for that axle.

expert reply by: Kyle S

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Answer 1

Like you said, many factory integrated brake controllers will not work well with electric over hydraulic trailer braking systems. Some of the newer versions of these controllers now have an electric over hydraulic mode. Check to see if any of your…

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Answer 2

No Dennis, you shouldn't need an Adapter #DX35FR with the factory brake controller on your 2022 Chevrolet Silverado 3500. The only reason I say should and not will is because the software for your brake controller can be updated through the ECU…

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Answer 3

It is likely that the red wire on your old lights is the turn signal/brake light wire, and the black wire is the running light wire. That would make the white wire the ground. You can verify this by testing the wires using a circuit tester such as…

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Answer 4

Does your trailer have solar panels? We've heard of this issue and and it appears there is a tech bulletin out about how the solar panel kits on trailers make the truck have this issue and disconnecting helps. The tech bulletin is 23-NA-113 and…

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Answer 5

The adapters which allow you to use factory brake controllers with electric over hydraulic brake actuators are not brand or make/model specific. Therefore you can use the HydraStar Electric Over Hydraulic Actuator Adapter Module part #HBA-CAM with…

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Answer 6

If you have a Hydrastar brand actuator on your trailer you could use the part #HBA-CAM and this would take care of your problem. But this only fits the Hydrastar actuators. If it's a Dexter BrakeRite you could use the part #T4845900. If you have…

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Answer 7

The Dexter Electric Over Hydraulic Brake Actuator, #K71-651, is not compatible with the 2007 to current GM integrated trailer brake controllers. The adapters made for other systems are not designed to be used with the Dexter EOH systems. There are 2…

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Answer 8

It sounds like there may be an issue with the wiring in the trailer to the hydraulic brake actuator. When you installed the Adapter Module #DX35FR you did receive the trailer connected message. I have attached the instructions for the Adapter Module…

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Answer 9

The truth of the matter is that there simply isn't an electric over hydraulic brake actuator that is going to work well with the factory brake controller in your 2013 Chevy Silverado because those controllers were designed for electric brakes…

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Answer 10

This is a common question we get on lights like the LED Trailer Tail Light with License Bracket part #328-003-81LBM1. The original colors you have are the traditional trailer wiring code so brown=taillights, red=turn/brake and white is ground. On…

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Answer 11

This is definitely something that is frustrating and unfortunately, my answer is not going to be much better. When we have brought this to Dexter in the past, they have told us that their Electric Over Hydraulic actuators like the Dexter DX Series…

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Answer 12

In regards to the 4-way wiring harness you are trying to install; the white wire is for the ground, the brown wire is for the running lights, the yellow wire is for the left turn/brake light, and the green wire is for the right turn/brake light.…

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Material of HydraStar Disc Brake Kit & Do They Fit Dexter 7,000 lb Axles

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