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Model: 74377 3025-2Brake 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
POD (Power on Demand) is your best choice for 1 or 2 axle trailers ... especially when your installation options are limited. POD can be mounted in any direction, and features “up-front-easy-access” adjustment controls, even when mounted upside down. POD is the perfect choice with almost vertical dash mounting surfaces.
2-Plug Wiring Asapter Specs:
Part Number | 3025 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
Partial list of fitment years: 99 00 01 02 1999 2000 2001 2002
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$98.32 $65 58
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Product Details
- Brand: Reese
- Model: 74377 3025-2
- Includes: POD Trailer Time-Delay Brake Controller for Trailers with 1-2 Axles, Trailer Brake Controller Custom Harness
Compatibility Chart
Year Range | Make | Model | Style |
---|---|---|---|
Loading... |
Specification | |
Manufacturer | Reese |
Part Number | 74377 |
Display Type | Indicator Light Only |
Solid State Construction | Yes |
Type | Timed Delay |
Self Leveling | Yes |
Number of Axles | 1 to 2 |
Housing | Black Plastic |
Warranty | 1 Year |
Mounting Hardware | Included |
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Description
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
POD (Power on Demand) is your best choice for 1 or 2 axle trailers ... especially when your installation options are limited. POD can be mounted in any direction, and features “up-front-easy-access” adjustment controls, even when mounted upside down. POD is the perfect choice with almost vertical dash mounting surfaces.
2-Plug Wiring Asapter Specs:
Part Number | 3025 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
Partial list of fitment years: 99 00 01 02 1999 2000 2001 2002
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Reese POD 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 to 4 Brake Systems)
Product Information:
- Part Number: N74377
Components of the Brake Control:
- A: Power Knob
- B: Manual Slide Knob
- C: Bracket Mounting Holes
- D: Bi-Colored Light
Tools Required:
- Drill with 1/8" Drill Bit
- Screwdriver
- Wire Cutter/Stripper
- Wire Crimping Tool
- Circuit Tester
Mounting Instructions:
-
Select the Mounting Location:
- Choose a solid surface within reach of the driver.
- Ensure no wires or components are behind the panel.
-
Install the Mounting Bracket:
- Hold the bracket in place and mark the holes using the bracket’s slots.
- Drill two 1/8" holes at the marked positions.
- Secure the bracket using #6 x 3/8" screws provided.
-
Attach the Brake Control:
- Slide the Brake Control into the bracket.
- Adjust to the desired position and tighten the screws until snug.
Wiring Instructions:
- Black Wire: Connect to the 12V positive terminal of the battery via a 20A 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 (only active when the brake pedal is pressed).
- Blue Wire: Connect to the trailer brake wire at the 7-way trailer connector.
Setting the Power to Trailer Brakes:
- Connect the trailer to the vehicle.
- Locate the Manual Slide Knob and Power Knob on the control.
- Set the Power Knob to minimum. Turn it 1/4 turn in the + direction.
- Drive the vehicle and trailer at 25 mph on a dry, level surface.
- Apply the Manual Slide Knob:
- If brakes lock up: Turn the Power Knob down.
- If braking is insufficient: Turn the Power Knob up.
- Repeat until braking is smooth and just below the point of wheel lock-up.
Adjusting Trailer Brake Power:
- Manual Slide Knob: Applies trailer brakes independently without vehicle brakes.
- Bi-Colored Light:
- Green: Trailer connected.
- Red: Brakes applied (either manually or with the pedal).
- Flashing Red or Off: No trailer connection detected.
Important Notes:
- Always warm the trailer brakes before setting the power.
- Drive 1/4 mile at 45 mph while engaging the brakes at a low level.
- Adjust power for different load weights or road conditions.
- Never set power high enough to lock up trailer wheels during normal braking.
- Inspect and test connections regularly to ensure proper operation.
Troubleshooting:
Issue | Probable Cause | Solution |
---|---|---|
No brakes with manual activation | Power set to minimum | Adjust Power Knob upward. |
No brakes with foot pedal | Red wire misconnected or faulty | Verify Red wire and stoplight switch. |
Trailer braking is weak | Power set too low | Adjust Power Knob upward. |
Trailer braking too strong | Power set too high | Adjust Power Knob downward. |
Flashing RED light or OFF | Poor trailer connection | Inspect wiring and connector. |
Brakes locked when connected | Reversed Black/White wires or short | Verify wiring; replace damaged unit. |
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:
Ensure the vehicle's Gross Combined Weight Rating (GCWR) does not exceed the manufacturer’s recommendation. Always test and adjust the braking system before driving.