Trailer Brake Control for 99‑02 Chevy Silverado 1500 2500 3500 Electric Trailer Brakes Module Box Controller 1‑2 Axle
Model: 74642 3025-8Brake Control Unit
Mounting hardware and bracket
Vehicle specific Plug and Play Wiring Adapter
Fits The Following Vehicles
1999 - 2002 Chevrolet, Silverado 1500, All Styles
2000 - 2002 Chevrolet, Suburban 1500, w/Amber Turn Signals
1999 - 2002 Chevrolet, Silverado 2500, All Styles
2000 - 2002 Chevrolet, Suburban 2500, w/Amber Turn Signals
2001 - 2002 Chevrolet, Silverado 3500, All Styles
Economical time-based brake control, generates an output signal that increases over a period of time (ramp cycle). It applies braking power at a fixed rate that is NOT proportional to the pressure applied to the brake pedal.
Brake Control Specs:
| Part Number | 74642 |
| Brand | Reese |
| Type | Timed Actuated |
| Axles | 1 to 2 axle trailers |
| Warranty | Lifetime 3 Year warranty |
| Features: | 1 to 2 axle trailers |
| Installation Instructions |  |
2-Plug Wiring Asapter Specs:
| Part Number | 3025 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
Thank you for choosing Reese made by same people that brought you Tekonsha and Draw-Tite the most powerful manufacturers 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. Our brake controls easily install on your Car Truck Van and SUV. For custom applications on Ford F150 F250 F350 E Series Van Expedition Toyota Tundra Tacoma Chevy Silverado Tahoe GMC Sierra Nissan Titan Frontier please choose one of our 2-Plug wiring adapters recommended below. These adapters will simply plug into the back of the brake control and the other end plugs into a matching plug on your truck. There is no splicing or worry involved, a very easy process. We have adapters for other vehicles as well. The brake control itself always comes with a 1-plug adapter out of the box, which you can splice into any vehicle. Getting a 2plug adapter will only easy your installation and avoid any sort of splicing. 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: 99 00 01 02 1999 2000 2001 2002
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Product Details
- Brand: Reese
- Model: 74642 3025-8
- Includes: Brakeman Compact Time-Delay Brake Controller for Trailers with 1-2 Axles, Trailer Brake Controller Custom Harness
Compatibility Chart
| Year Range | Make | Model | Style |
|---|
Brake Control Unit
Mounting hardware and bracket
Vehicle specific Plug and Play Wiring Adapter
Fits The Following Vehicles
1999 - 2002 Chevrolet, Silverado 1500, All Styles
2000 - 2002 Chevrolet, Suburban 1500, w/Amber Turn Signals
1999 - 2002 Chevrolet, Silverado 2500, All Styles
2000 - 2002 Chevrolet, Suburban 2500, w/Amber Turn Signals
2001 - 2002 Chevrolet, Silverado 3500, All Styles
Economical time-based brake control, generates an output signal that increases over a period of time (ramp cycle). It applies braking power at a fixed rate that is NOT proportional to the pressure applied to the brake pedal.
Brake Control Specs:
| Part Number | 74642 |
| Brand | Reese |
| Type | Timed Actuated |
| Axles | 1 to 2 axle trailers |
| Warranty | Lifetime 3 Year warranty |
| Features: | 1 to 2 axle trailers |
| Installation Instructions | |
2-Plug Wiring Asapter Specs:
| Part Number | 3025 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
Thank you for choosing Reese made by same people that brought you Tekonsha and Draw-Tite the most powerful manufacturers 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. Our brake controls easily install on your Car Truck Van and SUV. For custom applications on Ford F150 F250 F350 E Series Van Expedition Toyota Tundra Tacoma Chevy Silverado Tahoe GMC Sierra Nissan Titan Frontier please choose one of our 2-Plug wiring adapters recommended below. These adapters will simply plug into the back of the brake control and the other end plugs into a matching plug on your truck. There is no splicing or worry involved, a very easy process. We have adapters for other vehicles as well. The brake control itself always comes with a 1-plug adapter out of the box, which you can splice into any vehicle. Getting a 2plug adapter will only easy your installation and avoid any sort of splicing. 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: 99 00 01 02 1999 2000 2001 2002
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Trailer Brake Control for 99-02 Chevy Silverado 1500 2500 3500 Electric Trailer Brakes Module Box Controller 1-2 Axle Install Notes
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 302500
Tools Required:
- Circuit Tester
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Junction Box
- Locate the vehicle’s black Electric Junction Box:
- Inside the vehicle, underneath the dashboard, to the left of the steering column, just above the carpet.
- Remove the junction box cover to expose the connection points.
- Find the electric trailer brake connection point:
- Located in the top row, second slot from the left.
Step 2: Plug in the Brake Control Adapter
- Plug the brake control adapter into the mating connection point in the Electric Junction Box.
- Use a circuit tester to verify that the adapter has battery (+) power supplied.
Step 3: Install Additional Wiring if Power Is Not Supplied
If power is not present at the Electric Junction Box, follow these steps:
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 lid and cover of the Electrical Center Box.
- Locate the blue brake control feed wire. This may require temporarily removing the vehicle’s support brace.
B. Vehicle Battery (+) Power Supply Wire (Red):
- In the same location, find the red battery (+) power supply wire.
- Attach and route the power wire as specified in the brake control manufacturer’s instructions.
- Install an in-line fuse or circuit breaker to protect the circuit.
Step 4: Connect the Brake Controller
- Plug the brake control adapter into the vehicle’s electric brake control harness connector.
- Follow the brake control manufacturer’s installation instructions for wiring, mounting, and securing the brake controller.
Warnings:
- Circuit Overload:
- Do NOT exceed the lower of:
- Manufacturer’s towing rating, or
- Maximum Capacity: 4 axles / 8 brakes (24 amps).
- Do NOT exceed the lower of:
- Overloading circuits may cause fires or electrical damage.
- Always follow the vehicle owner’s manual and brake control installation instructions.
Wiring Overview:
- Brake Control Feed (Blue): Sends brake signal to trailer brakes.
- Battery Power Supply (Red): Provides fused power to the brake controller.
- Ground: Grounds the controller to the vehicle.
- Stop Lamp Switch (Input): Signals braking input to the brake controller.
Final Notes:
- Verify all connections are secure and wires are properly routed away from sharp edges or heat sources.
- Use a circuit tester or connect a trailer to confirm proper operation.
- Periodically inspect the wiring system for damage or loose connections.
End of Instructions
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 302500
Tools Required:
- Circuit Tester
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Junction Box
- Locate the vehicle’s black Electric Junction Box:
- Inside the vehicle, underneath the dashboard, to the left of the steering column, just above the carpet.
- Remove the junction box cover to expose the connection points.
- Find the electric trailer brake connection point:
- Located in the top row, second slot from the left.
Step 2: Plug in the Brake Control Adapter
- Plug the brake control adapter into the mating connection point in the Electric Junction Box.
- Use a circuit tester to verify that the adapter has battery (+) power supplied.
Step 3: Install Additional Wiring if Power Is Not Supplied
If power is not present at the Electric Junction Box, follow these steps:
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 lid and cover of the Electrical Center Box.
- Locate the blue brake control feed wire. This may require temporarily removing the vehicle’s support brace.
B. Vehicle Battery (+) Power Supply Wire (Red):
- In the same location, find the red battery (+) power supply wire.
- Attach and route the power wire as specified in the brake control manufacturer’s instructions.
- Install an in-line fuse or circuit breaker to protect the circuit.
Step 4: Connect the Brake Controller
- Plug the brake control adapter into the vehicle’s electric brake control harness connector.
- Follow the brake control manufacturer’s installation instructions for wiring, mounting, and securing the brake controller.
Warnings:
- Circuit Overload:
- Do NOT exceed the lower of:
- Manufacturer’s towing rating, or
- Maximum Capacity: 4 axles / 8 brakes (24 amps).
- Do NOT exceed the lower of:
- Overloading circuits may cause fires or electrical damage.
- Always follow the vehicle owner’s manual and brake control installation instructions.
Wiring Overview:
- Brake Control Feed (Blue): Sends brake signal to trailer brakes.
- Battery Power Supply (Red): Provides fused power to the brake controller.
- Ground: Grounds the controller to the vehicle.
- Stop Lamp Switch (Input): Signals braking input to the brake controller.
Final Notes:
- Verify all connections are secure and wires are properly routed away from sharp edges or heat sources.
- Use a circuit tester or connect a trailer to confirm proper operation.
- Periodically inspect the wiring system for damage or loose 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 Instructions for Electronic Brake Control (2 & 4 Brake Systems)
Product Information:
- Part Number: N74642
Tools Required:
- Drill with 1/8" drill bit
- Screwdriver or 1/4" Nut Driver
- Wire Cutter/Stripper
- Wire Crimping Tool
- Circuit Tester
Package Contents:
- Brake Control Unit
- Mounting Bracket
- Mounting Screws (#6 x 3/8") (Qty: 4)
- Wire Tap Connector
Mounting Instructions:
-
Select a Mounting Location:
- Choose a solid surface within easy reach of the driver.
- Ensure the area behind the mounting panel is clear before drilling.
-
Mark and Drill Holes:
- Hold the mounting bracket in position and mark the hole locations.
- Drill two 1/8" holes at the marked points.
-
Secure the Bracket:
- Attach the bracket using two self-tapping screws provided.
-
Install the Brake Control Unit:
- Slide the Brake Control into the bracket.
- Adjust to the desired position and secure it with the remaining screws.
Wiring Instructions:
- Black Wire: Connect to the 12V positive battery terminal using a 20A auto-reset circuit breaker.
- White Wire: Connect to a clean, bare metal ground on the vehicle chassis.
- Red Wire: Connect to the cold side of the stoplight switch (active only when the brake pedal is pressed).
- Blue Wire: Connect to the trailer brake wire at the 7-way trailer connector.
Setup and Adjustment:
-
Preliminary Settings:
- Set the Sync Control midway between "+" and "-".
- Set the Output Control to its lowest setting (fully to the right).
-
Test Braking Performance:
- Slowly roll forward and press the brake pedal.
- Adjust the Output Control to the left until the trailer brakes apply firmly.
- If trailer brakes lock up or jerk, adjust the Output Control slightly back to the right.
-
Fine-Tuning Sync Control:
- Adjust the Sync Control toward "+" for more aggressive braking or "-" for less aggressive braking.
- Test drive to ensure stops are smooth and firm.
Controls Overview:
- Output Control: Sets the maximum braking power delivered to the trailer brakes.
- Sync Control: Adjusts the delay/aggressiveness of trailer braking relative to vehicle braking.
- Manual Control: Located on the front-right of the unit; applies trailer brakes independently of the tow vehicle.
Troubleshooting Guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| No trailer brakes | Poor wiring connection | Check Black and Blue wire connections. |
| Weak trailer braking | Output too low | Adjust the Output Control upward. |
| Brakes lock up | Output too high | Adjust the Output Control downward. |
| Delayed braking | Sync set too low | Increase Sync toward "+". |
| Overly aggressive braking | Sync set too high | Decrease Sync toward "-". |
| No stoplight response | Faulty Red wire connection | Verify stoplight switch connection. |
Safety Notes:
- Periodically inspect all wiring for damage and ensure proper connections.
- Do not reverse Black (Battery) and White (Ground) wire connections as it will damage the unit.
- Test the trailer brake control system before each trip to ensure proper operation.
Technical Support:
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.
Warning: Never exceed the manufacturer’s towing or load recommendations. Improper adjustment may result in braking failure or loss of control.
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