Product Details
- Brand: Draw-Tite
- Model: 41544 74682 23 63845 63847 5535 3025
- Includes: Class 4 Trailer Tow Hitch, Tow Custom Harness, Trailer Brake Controller Custom Harness, I-Command Proportional Brake Controller for Trailers with 1-4 Axles, Trailer Tow Hitch Ball Mount, Trailer Tow Hitch Ball, Trailer Tow Hitch Ball
Compatibility Chart
Description
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Trailer Hitch Brake Control Wiring For 01-02 Chevy Silverado GMC Sierra 2500 HD 3500 w/ Dual 2" and 2- 5/16" Ball 2" Drop Mount 7-Way Pin Blade RV Controller Class 4 Install Notes
Installation Instructions for Chevrolet Silverado and GMC Sierra Pickups (1500/2500 Series, 2500 H.D./3500 Series)
Part Numbers:
- 41544
- 44657
Wiring Access Location:
- PU3
Tools Required:
- Drill with 1/2" Drill Bit
- Wrenches: 3/4", 7/8", 21mm, 22mm
Step-by-Step Instructions:
-
Remove Existing Fasteners:
- Remove M14 fasteners from the end of each frame rail if present and return them to the customer.
-
Position Receiver:
- Lift the receiver into position, aligning the slots in the receiver with the weldnuts in the vehicle frame.
-
Install Fasteners:
- For vehicles with a bumper, install M14 fasteners through the receiver into the weldnuts.
- For vehicles without a bumper, align the slots in the receiver over the fore/aft slot near the frame end and secure fasteners as shown in Figure 2.
-
Drill Additional Holes (6' Bed Models Only):
- Using the hitch as a template, drill a 1/2" hole through the frame at the center attachment points on both sides.
-
Install Remaining Fasteners:
- Secure all additional fasteners as shown in Figures 1 and 2, including spacer blocks, lock washers, and nuts.
-
Tighten Fasteners:
- Tighten all M14 CL10.9 fasteners to 115 lb-ft (156 N*m).
- Tighten all 1/2"-13 GR5 fasteners to 75 lb-ft (102 N*m).
Torque Specifications:
- M14 CL10.9 bolts: 115 lb-ft (156 N*m)
- 1/2"-13 GR5 bolts: 75 lb-ft (102 N*m)
Hardware List:
- (4) Bolts, 1/2"-13 x 1.75" GR5
- (2) Bolts, M14 x 2.00 x 45 CL10.9
- (4) Conical Washers, 1/2"
- (2) Conical Washers, M14
- (4) Hex Nuts, 1/2"-13
- (2) Hex Nuts, M14 x 2.00
- (4) Spacer Blocks (17/32" Hole)
- (2) Spacer Blocks (19/32" Hole)
- (2) Lock Washers
- (2) Flat Washers
Safety Notes:
- Frequently check the hitch to ensure all fasteners and the ball are securely tightened.
- If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water or exhaust fumes from entering.
- Replace any damaged hitch or ball immediately.
- Observe safety precautions when working beneath the vehicle and wear eye protection.
- Do not cut access or attachment holes with a torch.
Specifications:
- Weight Carrying (Ball Mount):
- Max Gross Trailer Weight: 6,000 lb (2,724 kg)
- Max Tongue Weight: 600 lb (272 kg)
- Weight Distributing:
- Max Gross Trailer Weight: 12,000 lb (5,448 kg)
- Max Tongue Weight: 1,200 lb (546 kg)
Additional Notes:
- For vehicles without a factory bumper, it may be necessary to relocate the license plate mounting bracket.
- This product complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.
Installation Instructions for Pickup Trucks (1500/2500 Series, 2500 H.D./3500 Series)
Part Numbers:
- 41544
- 44657
Wiring Access Location:
- PU3
Tools Required:
- Drill with 1/2" Drill Bit
- Wrenches: 3/4", 7/8", 21mm, 22mm
Step-by-Step Instructions:
-
Remove Existing Fasteners:
- Remove M14 fasteners from the end of each frame rail if present and return them to the customer.
-
Position Receiver:
- Lift the receiver into position, aligning the slots in the receiver with the weldnuts in the vehicle frame.
-
Install Fasteners:
- For vehicles with a bumper, install M14 fasteners through the receiver into the weldnuts.
- For vehicles without a bumper, align the slots in the receiver over the fore/aft slot near the frame end and secure fasteners as shown in Figure 2.
-
Drill Additional Holes (6' Bed Models Only):
- Using the hitch as a template, drill a 1/2" hole through the frame at the center attachment points on both sides.
-
Install Remaining Fasteners:
- Secure all additional fasteners as shown in Figures 1 and 2, including spacer blocks, lock washers, and nuts.
-
Tighten Fasteners:
- Tighten all M14 CL10.9 fasteners to 115 lb-ft (156 N*m).
- Tighten all 1/2"-13 GR5 fasteners to 75 lb-ft (102 N*m).
Torque Specifications:
- M14 CL10.9 bolts: 115 lb-ft (156 N*m)
- 1/2"-13 GR5 bolts: 75 lb-ft (102 N*m)
Hardware List:
- (4) Bolts, 1/2"-13 x 1.75" GR5
- (2) Bolts, M14 x 2.00 x 45 CL10.9
- (4) Conical Washers, 1/2"
- (2) Conical Washers, M14
- (4) Hex Nuts, 1/2"-13
- (2) Hex Nuts, M14 x 2.00
- (4) Spacer Blocks (17/32" Hole)
- (2) Spacer Blocks (19/32" Hole)
- (2) Lock Washers
- (2) Flat Washers
Safety Notes:
- Frequently check the hitch to ensure all fasteners and the ball are securely tightened.
- If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water or exhaust fumes from entering.
- Replace any damaged hitch or ball immediately.
- Observe safety precautions when working beneath the vehicle and wear eye protection.
- Do not cut access or attachment holes with a torch.
Specifications:
- Weight Carrying (Ball Mount):
- Max Gross Trailer Weight: 6,000 lb (2,724 kg)
- Max Tongue Weight: 600 lb (272 kg)
- Weight Distributing:
- Max Gross Trailer Weight: 12,000 lb (5,448 kg)
- Max Tongue Weight: 1,200 lb (546 kg)
Additional Notes:
- For vehicles without a factory bumper, it may be necessary to relocate the license plate mounting bracket.
- This product complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.
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.
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.
Warranty:
This product is covered by a limited warranty. For complete warranty instructions, please download the full installation PDF.
Installation Instructions for 7-Way Flat Pin Connector / 4-Flat Combo Adapter Harness
Part Numbers:
- 74682
Tools Required:
- Phillips Head Screwdriver
- Adjustable Wrench
Mounting Bracket Instructions:
- Determine a suitable mounting point on the tow vehicle for the connector or use an existing mount. Ensure the trailer’s wire harness has sufficient length to reach this point.
- Secure the mounting bracket on the rear of the tow vehicle or to the plate attached to the hitch cross tube using the self-tapping screws provided.
- Caution: Do not drill into the hitch cross tube to avoid damage to the hitch or personal injury. Do not drill into any exposed surfaces. Refer to the hitch owner’s manual or instruction sheet for recommendations and limitations.
Socket Instructions:
- Install the 7-way Blade Socket (connector) onto the mounting bracket using the screws and nuts provided.
- Plug the OEM factory-equipped car-end socket harness into the 7-way Blade Car Socket.
- Insert the 4-flat connector into the slot in the bracket.
- Tighten all screws securely.
Safety Notes:
- All connections must be completed to ensure proper functionality. Test and verify the installation using a test light, circuit tester, or trailer.
- Warning: Overloading circuits can cause fires. DO NOT exceed the lower of the towing manufacturer’s rating or:
- Max Right Turn, Left Turn, Stop, and Tail Light Circuits: 7.5 amps
- Max (+) Battery, Reverse, and Electric Brake Circuits: 30 amps
- Consult the vehicle’s owner’s manual and instruction sheet for additional information. Additional fusing may be required.
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: Improper use or failure to follow instructions may result in property damage, serious injury, or death. Always consult your vehicle and trailer manuals for compatibility and installation guidelines.
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
Part Number: N5535
Components of the Brake Control:
- A. Output (Gain) Control
- B. Boost Control
- C. Manual Slide Control
- D. Bracket Mounting Holes
- E. LED Display
Package Contents:
- (1) Brake Control Unit
- (1) Mounting Bracket
- (4) Self-Tapping Mounting Screws (#6 x 3/8”)
- (1) Warranty Card
Tools Required:
- Phillips Screwdriver
- Drill with 1/8” Drill Bit
- Wire Connector Crimp Tool
- Probe-Type Circuit Tester
- Wire Cutter/Stripper
- Assorted End Wrenches
Wiring and Controls:
- Black Wire: Vehicle Power
- Red Wire: Stop Light Switch
- White Wire: Vehicle Ground
- Blue Wire: Trailer Brakes
Installation Steps:
Step 1: Selecting a Mounting Location
- Choose a secure, solid surface that is easily accessible to the driver.
- Ensure the area behind the panel is clear to avoid damage during drilling.
Step 2: Install the Mounting Bracket
- Hold the mounting bracket in the selected position and mark the hole locations.
- Drill holes with a 1/8” drill bit.
- Secure the bracket using (2) self-tapping screws (provided).
- Mount the Brake Control unit into the bracket with the remaining screws.
Adjusting Power to the Trailer Brakes:
- Connect the trailer to the tow vehicle.
- With the engine running, hold the Manual Slide Control fully to the left and set the Output (Gain) Control to approximately 5.0.
- Drive at 25 mph on a level, dry, paved surface.
- Fully apply the Manual Slide Control:
- If the trailer brakes lock up: Decrease the power using the Output/Gain Control.
- If braking is insufficient: Increase the power.
- Repeat until braking is sufficient but just below wheel lock-up.
- Test braking using the brake pedal at low speeds.
Boost Control:
The Boost feature increases braking aggressiveness with three levels:
- b.1: Boost Level 1 – Starts braking at 14% power.
- b.2: Boost Level 2 – Starts braking at 28% power.
- b.3: Boost Level 3 – Highest boost setting for heavy loads.
To Activate Boost:
- Press the Boost Button to display the current level.
- Use the + or - buttons to adjust.
Troubleshooting:
Issue | Cause | Solution |
---|---|---|
No Display | Power or ground wire issue. | Check black and white connections. |
Flashing Display (2/sec) | Overload or short on the brake wire. | Inspect trailer brake wiring. |
Braking Too Aggressive | Output set too high. | Reduce Output/Gain setting. |
No Braking | Output set too low. | Increase Output/Gain setting. |
Blank Display (Idle) | Power-saving mode (after 15 minutes). | Activate the brakes to resume. |
Brake Adjustment Procedure:
- Raise the trailer and secure it with jack stands.
- Remove the cover on the brake backing plate.
- Adjust the brake shoes until the wheel is hard to turn.
- Back off the adjuster slightly until the wheel spins freely with slight drag.
- Repeat for all wheels.
End of Instructions
Installation Instructions for Electronic Brake Control
Part Number: N5535
Components of the Brake Control:
- A. Output (Gain) Control
- B. Boost Control
- C. Manual Slide Control
- D. Bracket Mounting Holes
- E. LED Display
Package Contents:
- (1) Brake Control Unit
- (1) Mounting Bracket
- (4) Self-Tapping Mounting Screws (#6 x 3/8”)
- (1) Warranty Card
Tools Required:
- Phillips Screwdriver
- Drill with 1/8” Drill Bit
- Wire Connector Crimp Tool
- Probe-Type Circuit Tester
- Wire Cutter/Stripper
- Assorted End Wrenches
Wiring and Controls:
- Black Wire: Vehicle Power
- Red Wire: Stop Light Switch
- White Wire: Vehicle Ground
- Blue Wire: Trailer Brakes
Installation Steps:
Step 1: Selecting a Mounting Location
- Choose a secure, solid surface that is easily accessible to the driver.
- Ensure the area behind the panel is clear to avoid damage during drilling.
Step 2: Install the Mounting Bracket
- Hold the mounting bracket in the selected position and mark the hole locations.
- Drill holes with a 1/8” drill bit.
- Secure the bracket using (2) self-tapping screws (provided).
- Mount the Brake Control unit into the bracket with the remaining screws.
Adjusting Power to the Trailer Brakes:
- Connect the trailer to the tow vehicle.
- With the engine running, hold the Manual Slide Control fully to the left and set the Output (Gain) Control to approximately 5.0.
- Drive at 25 mph on a level, dry, paved surface.
- Fully apply the Manual Slide Control:
- If the trailer brakes lock up: Decrease the power using the Output/Gain Control.
- If braking is insufficient: Increase the power.
- Repeat until braking is sufficient but just below wheel lock-up.
- Test braking using the brake pedal at low speeds.
Boost Control:
The Boost feature increases braking aggressiveness with three levels:
- b.1: Boost Level 1 – Starts braking at 14% power.
- b.2: Boost Level 2 – Starts braking at 28% power.
- b.3: Boost Level 3 – Highest boost setting for heavy loads.
To Activate Boost:
- Press the Boost Button to display the current level.
- Use the + or - buttons to adjust.
Troubleshooting:
Issue | Cause | Solution |
---|---|---|
No Display | Power or ground wire issue. | Check black and white connections. |
Flashing Display (2/sec) | Overload or short on the brake wire. | Inspect trailer brake wiring. |
Braking Too Aggressive | Output set too high. | Reduce Output/Gain setting. |
No Braking | Output set too low. | Increase Output/Gain setting. |
Blank Display (Idle) | Power-saving mode (after 15 minutes). | Activate the brakes to resume. |
Brake Adjustment Procedure:
- Raise the trailer and secure it with jack stands.
- Remove the cover on the brake backing plate.
- Adjust the brake shoes until the wheel is hard to turn.
- Back off the adjuster slightly until the wheel spins freely with slight drag.
- Repeat for all wheels.
Warranty Information:
- Limited Lifetime Warranty:
- Covers defects in materials and workmanship.
- Excludes normal wear and tear, misuse, or improper installation.
- For complete warranty information, 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.
For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
End of Instructions