





10‑12 Dodge RAM 1500 2500 3500 Trailer Brake Control Wiring 2‑Plug Adapter Connector Plug Play
Model: 30212010 Dodge, Ram 1500, All Styles
2010 Dodge, Ram 2500, All Styles
2010 Dodge, Ram 3500, All Styles
2011 - 2012 RAM, 1500, All Styles
2011 - 2012 RAM, 2500, All Styles
2011 - 2012 RAM, 3500, All Styles
Direct Plug & Play Brake Control Wiring Kit
Part Number | 3021 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
Questions or Comments? Call 702-374-8999
Thank you for choosing Tekonsha, the most powerful name in trailer brake control systems. Our trailer brake control wiring kits are vehicle specific, require no splicing or cutting of the wires. Simply plug & play this adapter into your brake controller and into your vehicles port and you are done. This brake control harness comes with a 1 year warranty.
Compatiable with Draw-Tite Activator I Activator II Activator III Activator IV I-Stop IQ I-Command Tekonsha Voyager P2 P3 Prodigy Primus IQ PowerTrac Envoy Reese Echelon Brakeman Brakeman IV POD BC Pilot Pro Series Pilot POD Part numbers 5100 5298 5504 74378 74642 74643 80500 80550 83501 83504 20191 39523 5535 90160 90195 9030 90885 and more
Fits all Reese, Tekonsha, Draw-Tite and Pro Series Brake Controllers
Partial list of fitment years:
16 17 2016 2017
$23 41
- Best Price on Web Guarantee
- Fastest Shipping
- FREE Shipping
- In Stock

We match lower prices from major authorized retailers for brand-new products in original packaging, provided the item is in stock. The competing seller must be an authorized, professional retail business; offers from
individuals, auctions, peer-to-peer sites, or unauthorized sellers don’t qualify. Used, refurbished, or open-box items are excluded.
Please see our full terms for details.
Verify Fitment
View products that fit your vehicle
Fits 's with the following styles:
View products that fit your vehicle
Fits 's with the following styles:
$23 41
Questions? Call our Auto Experts at (877) 869-6690
Get it now, pay later
Select installments at checkout to split your purchase into 4 interest-free payments of $5.75 every 2 weeks.
- No fees, ever.
- No impact on your credit score.
Payment options are offered by Affirm and are subject to an eligibility check and might not be available in all states. CA Residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lender license.
Installments in partnership with
.
Affirm and its offerings are supported in English only. Translations are not provided by Affirm.
Product Details
- Brand: Tekonsha
- Model: 3021
- UPC: 783192026477
- Includes: Trailer Brake Controller Custom Harness
Compatibility Chart
Year Range | Make | Model | Style |
---|---|---|---|
2010 - 2010 | Dodge | Ram 1500 | All Models |
2010 - 2010 | Dodge | Ram 2500 | All Models |
2010 - 2010 | Dodge | Ram 3500 | All Models |
2011 - 2012 | RAM | 1500 | All Models |
2011 - 2012 | RAM | 2500 | All Models |
2011 - 2012 | RAM | 3500 | All Models |
2010 Dodge, Ram 1500, All Styles
2010 Dodge, Ram 2500, All Styles
2010 Dodge, Ram 3500, All Styles
2011 - 2012 RAM, 1500, All Styles
2011 - 2012 RAM, 2500, All Styles
2011 - 2012 RAM, 3500, All Styles
Direct Plug & Play Brake Control Wiring Kit
Part Number | 3021 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
Questions or Comments? Call 702-374-8999
Thank you for choosing Tekonsha, the most powerful name in trailer brake control systems. Our trailer brake control wiring kits are vehicle specific, require no splicing or cutting of the wires. Simply plug & play this adapter into your brake controller and into your vehicles port and you are done. This brake control harness comes with a 1 year warranty.
Compatiable with Draw-Tite Activator I Activator II Activator III Activator IV I-Stop IQ I-Command Tekonsha Voyager P2 P3 Prodigy Primus IQ PowerTrac Envoy Reese Echelon Brakeman Brakeman IV POD BC Pilot Pro Series Pilot POD Part numbers 5100 5298 5504 74378 74642 74643 80500 80550 83501 83504 20191 39523 5535 90160 90195 9030 90885 and more
Fits all Reese, Tekonsha, Draw-Tite and Pro Series Brake Controllers
Partial list of fitment years:
16 17 2016 2017
Specification | |
Connector Gender | Female |
Connector Quantity | 2 |
Connector Shape | Square |
Terminal Quantity | 4 |
Terminal Type | Blade |
Wire Colors | Black, Red, Blue White |
Be the first to ask a question.
Get Expert Help
10-12 Dodge RAM 1500 2500 3500 Trailer Brake Control Wiring 2-Plug Adapter Connector Plug Play Install Notes
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 302100
Tools Required:
- None
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Brake Control Harness
- Locate the electric brake control harness connector under the dashboard:
- Positioned to the left of the steering column, near the emergency brake pedal.
- The connector is taped to another harness and will match the 4-pin connector on the adapter.
Step 2: Connect the Adapter
- Plug the brake control adapter into the vehicle electric controller connector.
- Use butt connectors (not provided) to attach the adapter’s wires to the corresponding wires on the electric brake controller.
- Refer to the brake controller manufacturer’s instructions for proper wiring and mounting procedures.
Step 3: Finalize Installation and Testing
- Complete the installation by mounting the brake controller securely as directed by the manufacturer.
- Perform all test procedures recommended in the brake controller instructions to ensure proper operation.
Important Notes:
- If the vehicle is not equipped with an OEM trailer tow package, additional fuses and relays may be required to complete the output and battery feed circuits.
- These items are sold separately. Refer to the vehicle’s owner’s manual for fuse and relay locations.
Safety Warnings:
- Do NOT overload the circuit:
- Maximum Capacity: 4 axles / 8 brakes (24 amps).
- Exceeding this rating may cause fires or damage to the vehicle’s electrical system.
- Always follow the vehicle manufacturer’s towing capacity guidelines.
- Read the vehicle’s owner’s manual and the brake control manufacturer’s instructions for additional safety and installation details.
Wiring Overview:
- Stop Lamp Switch to Brake Controller (Input): Provides braking signal from the vehicle to the brake controller.
- Battery Feed (Fused): Supplies power to the trailer brake controller.
- Trailer Brake Controller Output: Sends braking signal to the trailer brakes.
- Ground: Ensures proper grounding connection.
Final Notes:
- Periodically inspect all wiring and connections to ensure they remain secure and free from corrosion.
- Ensure wires are routed away from sharp edges, heat sources, or moving parts that could cause damage.
End of Instructions
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 302100
Tools Required:
- None
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Brake Control Harness
- Locate the electric brake control harness connector under the dashboard:
- Positioned to the left of the steering column, near the emergency brake pedal.
- The connector is taped to another harness and will match the 4-pin connector on the adapter.
Step 2: Connect the Adapter
- Plug the brake control adapter into the vehicle electric controller connector.
- Use butt connectors (not provided) to attach the adapter’s wires to the corresponding wires on the electric brake controller.
- Refer to the brake controller manufacturer’s instructions for proper wiring and mounting procedures.
Step 3: Finalize Installation and Testing
- Complete the installation by mounting the brake controller securely as directed by the manufacturer.
- Perform all test procedures recommended in the brake controller instructions to ensure proper operation.
Important Notes:
- If the vehicle is not equipped with an OEM trailer tow package, additional fuses and relays may be required to complete the output and battery feed circuits.
- These items are sold separately. Refer to the vehicle’s owner’s manual for fuse and relay locations.
Safety Warnings:
- Do NOT overload the circuit:
- Maximum Capacity: 4 axles / 8 brakes (24 amps).
- Exceeding this rating may cause fires or damage to the vehicle’s electrical system.
- Always follow the vehicle manufacturer’s towing capacity guidelines.
- Read the vehicle’s owner’s manual and the brake control manufacturer’s instructions for additional safety and installation details.
Wiring Overview:
- Stop Lamp Switch to Brake Controller (Input): Provides braking signal from the vehicle to the brake controller.
- Battery Feed (Fused): Supplies power to the trailer brake controller.
- Trailer Brake Controller Output: Sends braking signal to the trailer brakes.
- Ground: Ensures proper grounding connection.
Final Notes:
- Periodically inspect all wiring and connections to ensure they remain secure and free from corrosion.
- Ensure wires are routed away from sharp edges, heat sources, or moving parts that could cause damage.
Attention:
This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.