Tekonsha Primus IQ Electric Trailer Brake Control for 03‑07 GMC Sierra 1500 2500 3500 w/ Plug Play Wiring Adapter Proportional Eletric Trailer Brakes Module Box Controller
Model: 90160 3015-6Brake Control Unit
Mounting hardware and bracket
Vehicle specific Plug and Play Wiring Adapter
Fits The Following Vehicles
2003 - 2006 GMC, Sierra 1500, All Styles
2007 GMC, Sierra 1500, (Classic)
2003 - 2004 GMC, Sierra 2500, All Styles
2003 - 2006 GMC, Sierra 3500, All Styles
2007 GMC, Sierra 3500, (Classic)
Utilizing the primary sensor technology from Prodigy®, the Primus®IQ now includes the Boost feature that gives users the ability to apply more initial trailer braking when towing heavier trailers. It works proportionally in reverse for backing into tough spots and includes a snap-in dash mounting clip and removable electrical connector that allows the unit to be quickly stored when not in use. You will appreciate the digital readout depicting a secure electrical connection, amount of voltage delivery to the trailer brakes and diagnostic features incorporated in the LED display.
Brake Control Specs:
| Part Number | 90160 |
| Brand | Tekonsha |
| Type | Proportional |
| Axles | 1 to 3 axle trailers |
| Warranty | Lifetime |
| Features: | Utilizes Plug-N-Play port for 2-plug adapters. Self-diagnostics features will illuminate LED readout when issues occur. Includes a Boost feature. Works proportionally in reverse. Snap-in dash mounting clip and hardware included. Digital LED readout. Limited lifetime warranty. |
| Installation Instructions |  |
2-Plug Wiring Asapter Specs:
| Part Number | 3015 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
Thank you for choosing Tekonsha the most powerful manufacturer of electric trailer brake control systems. Manufactured by the same people that brought you Reese, Draw-Tite and Hidden Hitch all of our products come with standard lifetime warranty and support. The included adapter will simply plug into the back of the brake control and the other end plugs into a matching plug on your vehicle. There is no splicing or worry involved, it is a very simple installation process. All parts in our store are sold at a discount. If you have any questions please do not hesitate to give us a call at 702-374-8999. We will match or beat anyones price.
Partial list of fitment years: 03 04 05 06 07 2003 2004 2005 2006 2007
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Product Details
- Brand: Tekonsha
- Model: 90160 3015-6
- Includes: Primus IQ Proportional Brake Controller for Trailers with 1-3 Axles, Trailer Brake Controller Custom Harness
Compatibility Chart
| Year Range | Make | Model | Style |
|---|
Description
Brake Control Unit
Mounting hardware and bracket
Vehicle specific Plug and Play Wiring Adapter
Fits The Following Vehicles
2003 - 2006 GMC, Sierra 1500, All Styles
2007 GMC, Sierra 1500, (Classic)
2003 - 2004 GMC, Sierra 2500, All Styles
2003 - 2006 GMC, Sierra 3500, All Styles
2007 GMC, Sierra 3500, (Classic)
Utilizing the primary sensor technology from Prodigy®, the Primus®IQ now includes the Boost feature that gives users the ability to apply more initial trailer braking when towing heavier trailers. It works proportionally in reverse for backing into tough spots and includes a snap-in dash mounting clip and removable electrical connector that allows the unit to be quickly stored when not in use. You will appreciate the digital readout depicting a secure electrical connection, amount of voltage delivery to the trailer brakes and diagnostic features incorporated in the LED display.
Brake Control Specs:
| Part Number | 90160 |
| Brand | Tekonsha |
| Type | Proportional |
| Axles | 1 to 3 axle trailers |
| Warranty | Lifetime |
| Features: | Utilizes Plug-N-Play port for 2-plug adapters. Self-diagnostics features will illuminate LED readout when issues occur. Includes a Boost feature. Works proportionally in reverse. Snap-in dash mounting clip and hardware included. Digital LED readout. Limited lifetime warranty. |
| Installation Instructions | |
2-Plug Wiring Asapter Specs:
| Part Number | 3015 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
Thank you for choosing Tekonsha the most powerful manufacturer of electric trailer brake control systems. Manufactured by the same people that brought you Reese, Draw-Tite and Hidden Hitch all of our products come with standard lifetime warranty and support. The included adapter will simply plug into the back of the brake control and the other end plugs into a matching plug on your vehicle. There is no splicing or worry involved, it is a very simple installation process. All parts in our store are sold at a discount. If you have any questions please do not hesitate to give us a call at 702-374-8999. We will match or beat anyones price.
Partial list of fitment years: 03 04 05 06 07 2003 2004 2005 2006 2007
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Tekonsha Primus IQ Electric Trailer Brake Control for 03-07 GMC Sierra 1500 2500 3500 w/ Plug Play Wiring Adapter Proportional Eletric Trailer Brakes Module Box Controller Install Notes
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 301500
Tools Required:
- None
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Junction Box
- Find the black Electric Junction Box inside the vehicle:
- Under the dashboard, left of the steering column, just above the carpet.
- Remove the cover of the Electric Junction Box.
- Locate the connection point for the electric trailer brakes in the top row, second slot from the left.
Step 2: Plug the Brake Control Adapter into the Vehicle Connector
- Plug the brake control adapter into the mating connection point inside the Electric Junction Box.
- Use a circuit tester to verify that battery (+) power is supplied to the adapter.
NOTE:
- Not all vehicles are pre-wired with complete power connections to the battery and/or wiring for electric trailer brakes.
- If power is already supplied, skip to Step 4.
Step 3: Add Power Supply (If Required)
For vehicles with no power supply:
-
Use an Electric Brake Control Wiring Kit and route all wires as described in the wiring kit instructions or as follows:
A. Vehicle Brake Control Feed Wire (Blue):
- Open the vehicle’s hood and locate the black Electrical Center Box on the driver’s side.
- Remove the cover to access the blue brake control feed wire.
- This step may require temporarily removing the vehicle’s support brace.
B. Vehicle Battery (+) Power Supply Wire (Red):
- Locate the red battery (+) power supply wire in the Electrical Center Box.
- Connect the wiring and ensure an in-line fuse or circuit breaker is installed.
- Reinstall the Electrical Center Box cover, lid, and support brace.
Step 4: Connect the Brake Controller
- Plug the brake control adapter into the vehicle’s brake control harness connector.
- Follow the brake control manufacturer’s instructions for wiring and mounting the unit.
Warnings:
- Complete the installation following the brake control manufacturer’s instructions.
- Mount the brake controller securely as directed.
- Perform all test procedures outlined in the brake controller manual.
- Do NOT overload the circuit:
- Maximum capacity: 4 axles / 8 brakes (24 amps)
- Always follow the vehicle manufacturer’s towing and load limits.
Wiring Overview:
- Blue Wire: Brake control feed wire (output to trailer brakes)
- Red Wire: Battery (+) power supply
- Ground: Connects brake controller to vehicle ground
- Stop Lamp Switch (Input): Vehicle braking signal to the brake controller
Final Notes:
- Periodically inspect the connections for tightness and wear.
- Ensure all wires are properly routed away from sharp edges, heat sources, and pinch points.
- Consult the vehicle owner’s manual for additional information regarding towing and electrical connections.
End of Instructions
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 301500
Tools Required:
- None
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Junction Box
- Find the black Electric Junction Box inside the vehicle:
- Under the dashboard, left of the steering column, just above the carpet.
- Remove the cover of the Electric Junction Box.
- Locate the connection point for the electric trailer brakes in the top row, second slot from the left.
Step 2: Plug the Brake Control Adapter into the Vehicle Connector
- Plug the brake control adapter into the mating connection point inside the Electric Junction Box.
- Use a circuit tester to verify that battery (+) power is supplied to the adapter.
NOTE:
- Not all vehicles are pre-wired with complete power connections to the battery and/or wiring for electric trailer brakes.
- If power is already supplied, skip to Step 4.
Step 3: Add Power Supply (If Required)
For vehicles with no power supply:
-
Use an Electric Brake Control Wiring Kit and route all wires as described in the wiring kit instructions or as follows:
A. Vehicle Brake Control Feed Wire (Blue):
- Open the vehicle’s hood and locate the black Electrical Center Box on the driver’s side.
- Remove the cover to access the blue brake control feed wire.
- This step may require temporarily removing the vehicle’s support brace.
B. Vehicle Battery (+) Power Supply Wire (Red):
- Locate the red battery (+) power supply wire in the Electrical Center Box.
- Connect the wiring and ensure an in-line fuse or circuit breaker is installed.
- Reinstall the Electrical Center Box cover, lid, and support brace.
Step 4: Connect the Brake Controller
- Plug the brake control adapter into the vehicle’s brake control harness connector.
- Follow the brake control manufacturer’s instructions for wiring and mounting the unit.
Warnings:
- Complete the installation following the brake control manufacturer’s instructions.
- Mount the brake controller securely as directed.
- Perform all test procedures outlined in the brake controller manual.
- Do NOT overload the circuit:
- Maximum capacity: 4 axles / 8 brakes (24 amps)
- Always follow the vehicle manufacturer’s towing and load limits.
Wiring Overview:
- Blue Wire: Brake control feed wire (output to trailer brakes)
- Red Wire: Battery (+) power supply
- Ground: Connects brake controller to vehicle ground
- Stop Lamp Switch (Input): Vehicle braking signal to the brake controller
Final Notes:
- Periodically inspect the connections for tightness and wear.
- Ensure all wires are properly routed away from sharp edges, heat sources, and pinch points.
- Consult the vehicle owner’s manual for additional information regarding towing and electrical connections.
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.
Installation and Operation Instructions for Electronic Brake Control
Specifications:
- Applicable for 2, 4, and 6 brake applications.
- Features proportional braking via an inertial sensor.
Tools Required:
-
6 x 3/8" screws.
- Drill with 1/8" bit.
- Screwdriver or wrench.
Safety Notes:
- Keep RF-generating devices (e.g., cell phones) at least 12 inches away from the brake control to avoid interference.
- Disconnect the trailer plug before testing a breakaway switch to prevent damage to the control unit.
- Do not exceed the vehicle’s Gross Combined Weight Rating (GCWR).
- This unit is not designed for electric-hydraulic trailer brake systems.
Hardware List:
- Brake control unit.
- Mounting bracket.
- Wiring harness.
Installation Instructions:
Mounting the Unit:
-
Traditional Bracket Mount:
- Secure the mounting bracket to a solid surface using the provided screws.
- Attach the brake control to the bracket and adjust to the desired position.
- Tighten screws securely.
-
Dash Mounting Clip:
- Secure the dash clip to a solid surface with screws.
- Slide the brake control into the clip, ensuring the rear slots engage with the clip's tabs.
- Adjust to the proper angle and tighten securely.
Wiring Options:
-
Generic Wiring Harness:
- Use the included pigtail wiring harness and follow the generic wiring guide.
-
OEM-Specific Harness:
- Use an OEM wiring harness compatible with your vehicle’s tow package.
Setting Power to Trailer Brakes:
- Connect the trailer to the tow vehicle.
- Adjust the power knob to indicate approximately 6.0 on the display.
- Test at 25 mph on a dry, level surface:
- If trailer brakes lock up, decrease power.
- If braking is insufficient, increase power.
- Repeat until braking is smooth and sufficient without wheel lock-up.
Boost Settings:
- Allows for increased trailer braking sensitivity.
- Three levels available:
- [b.1]: Starts at 13% of the power setting.
- [b.2]: Starts at 25%.
- [b.3]: Most aggressive setting.
- Adjust according to trailer weight and braking performance.
Automatic Leveling:
- The unit automatically levels the inertial sensor for optimal performance.
Troubleshooting Guide:
| Issue | Possible Cause | Solution |
|---|---|---|
| No brakes with manual or pedal activation | Poor power or ground connection. | Check power and ground connections. |
| Trailer brakes lock up | Excessive power setting. | Reduce power or inspect brake wiring. |
| "OL" error on display | Overload condition detected. | Inspect and correct wiring issues. |
| Flashing display | Connection or mounting angle issue. | Verify proper mounting and connections. |
Maintenance:
- Warm up trailer brakes before adjusting power.
- Inspect and adjust brakes after 200 miles and every 3,000 miles thereafter.
- Periodically check all connections and tighten if needed.
Warranty Information:
- Limited Warranty:
- Covers defects in materials and workmanship under normal use.
- Excludes damage caused by misuse, improper installation, or overloading.
- Attention: For complete warranty instructions, 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.
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