What do I Need to Add Electric Drum Brakes to a Pop Up Trailer
Question:
I have an older pop up camper and am needing to know what I need to install trailer brakes. 1 The tire size is a 4.80-12 1 There is a 4 hole flange already on the trailer axle. I have attached 2 pictures that might help you out. Please let me know.
asked by: Tyler
Expert Reply:
Only one of the pictures came through but that's okay. I think it shows me enough. It looks like you currently have idler hubs with a 4 bolt pattern on the trailer now. You want to verify the bolt pattern is 4 on 4. I've linked an article if you need help. If I'm right about this then verify your bearing numbers are # L44649 for both the inner and outer. If they are then the hub and drum assemblies you need are either part # 8-173-16UC3-EZ if you have an E-Z lube axle with a zerk fitting on the end of the spindle or part # 8-173-16UC3 if it's a standard axle.
These are 7 inch hubs so brake assemblies # AKEBRK-2 are what you need. This is both sides and they're labeled as such because they are side specific and they'll match right up to that 4-bolt flange you have on your axle. Once you install them you need to adjust the brakes as well. I've linked a video as well as an article on adjusting brakes for you. On the video skip ahead to the 4:40 mark to see the adjustment.
You need to wire the trailer to power the brakes. This requires the trailer to have a 7-way connector if it doesn't already have one. Use our # HS381-9000 wiring kit for a 7-way with a junction box and all the connectors you'll need. Then use 10 gauge wire # 10-2-1, which is sold by the foot, to run the wire from the junction box to the trailer's brakes.
The trailer requires a breakaway kit. The Hopkins Engager # 20099 is our most popular kit. The breakaway kit engages the trailer's brakes in the event the trailer is separated from your tow vehicle.
In order to control the trailer's brakes you must have an electric brake controller in your tow vehicle. If you don't already have one I suggest the Prodigy P3 # 90195 because of how reliable and easy to use it is. Its one of our top brake controllers. If you tell me the year, make, and model of your tow vehicle I'll see if we have a custom harness to install the controller. And also anything else that may be necessary.
If any of the parts I think you have are incorrect let me know what you actually have so I can make the correct recommendation. Or if you feel like your other picture that didn't come through will help just reply to me by email.
I've linked several other videos on the recommended parts for you as well.
Products Referenced in This Question
Deka Jacketed 2 Wire, 10 Gauge, Brake Wire - per Foot
- Wiring
- Wire
- Jacketed Wire
- 2 Wire
- 10 Gauge
- Deka
more information >
Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire
- Trailer Breakaway Kit
- Kit with Charger
- Side Load
- Single-axle
- Tandem-axle
- LED Tester
- Hopkins
more information >
Dexter Trailer Hub and Drum Assembly for 2,200-lb Axles - 7" Diameter - 4 on 4
- Trailer Hubs and Drums
- Hub with Integrated Drum
- Standard
- L44649
- L44649
- For 2200 lbs Axles
- 1/2 Inch Stud
- 4 on 4 Inch
- 10 Inch Wheel
- 12 Inch Wheel
- 13 Inch Wheel
- Dexter
more information >
Dexter Trailer Hub and Drum Assembly for 2,200-lb E-Z Lube Axles - 7" Diameter - 4 on 4
- Trailer Hubs and Drums
- Hub with Integrated Drum
- EZ Lube
- L44649
- L44649
- For 2200 lbs Axles
- 1/2 Inch Stud
- 4 on 4 Inch
- 10 Inch Wheel
- 12 Inch Wheel
- 13 Inch Wheel
- Dexter
more information >
Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Automatic Leveling
- Under-Dash Box
- Dash Mount
- Up to 4 Axles
- LCD Display
- Up to 360 Degrees
- Tekonsha
more information >
Wiring Kit for Hydrastar Electric Over Hydraulic Actuators
- Accessories and Parts
- Brake Actuator
- Disc Brakes
- Hydraulic Drum Brakes
- Wiring
- Hydrastar
more information >
Product Page this Question was Asked From
Replacement Trailer Hub Bearing - L44649
- Trailer Bearings Races Seals Caps
- Bearings
- Standard Bearings
- 1.063 Inch I.D.
- Bearing L44649
- Race L44610
- 3500 lbs Axle
- etrailer
more information >
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on Trailer Bearings Races Seals Caps
