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Complete kit bundle containing all necessary components for your project. Professional-grade components designed for reliable performance and long-lasting durability.
Does your trailer have multiple tail lights or does the tail lights seem dim to you? Then it is possible you need a Modulite from Tekonsha. The Tekonsha Modulite product line has power modules designed to virtually eliminates additional electrical draw on the vehicle's tail light circuits. They help to ensures maximum trailer light brightness for your trailer tail lights. It powers the trailer's stop, turn, tail and running lights without overloading your vehicle electrical systems.
| BRAND: | TEKONSHA |
| PART NUMBER: | 119148 |
| WARRANTY: | LIMITED 1 YEAR WARRANTY |
| WEIGHT: | 1.5 LBS |
| UNIVERSAL OR SPECIFIC FIT: | UNIVERSAL |
| TERMINAL QUANTITY: | 4 |
| WIRING HARNESS INCLUDED: | YES |
| CONVERTER TYPE: | Powered |
| CONNECTOR SHAPE: | RECTANGLE |
| ILLUMINATED: | NO |
Keywords: TK119148-2PK bundle kit, complete kit, professional components, industrial kit, TK119148, Tekonsha
Tekonsha is a leading manufacturer of electronic trailer brake controllers, pioneering the category in the 1970s. The lineup spans proportional units such as the Prodigy P3 and Prodigy iD, time-delayed controllers, the wireless Prodigy RF, plus vehicle-specific wiring harnesses, adapters and trailer brake components engineered for smooth, predictable stopping at any speed.
Tekonsha Engineering Company began in 1964 building RV steps and mirrors. Within a few years it had found its real calling, and by the 1970s Tekonsha was pioneering the manufacture of electronic trailer brake controllers, the product category that still defines the brand. More than half a century later it remains the reference name in trailer braking and is part of the Horizon Global group alongside Reese, Draw-Tite, Fulton, Bulldog and Wesbar.
A brake controller is the component that tells a trailer's electric brakes how hard to work and when, and getting that right is the difference between a controlled stop and a shove from behind. Tekonsha builds both major types. Proportional controllers use an internal accelerometer to sense how quickly the tow vehicle is slowing and apply trailer braking to match, so light braking stays light and hard braking is immediate. Time-delayed controllers ramp to a preset output over a fixed interval, a simpler and more economical approach that suits occasional towing.
The current brake controller range covers most of that ground. The Prodigy iD pairs with a phone through Tekonsha's EDGE technology for setup and monitoring, the P3 offers storable settings for multiple trailers and a trilingual colour LED display, the Prodigy P2 adds a dimmable display and boost mode for heavier loads, and the Voyager keeps operation simple and dependable. The Prodigy RF mounts to the trailer itself and controls wirelessly, which suits rental fleets and drivers who swap tow vehicles.
Installation is supported by vehicle-specific brake control harnesses that plug into a factory connector rather than requiring cut-and-splice wiring, along with mounting brackets and adapters. Matched controller bundles pair a unit with the correct harness. Products are tested to meet and often exceed published industry standards.
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The MODULITE® HD PROTECTOR is a tow vehicle input module that converts your vehicle's lighting signals to a 4-flat trailer connector output. It reads your vehicle's turn, brake, and tail light functions and outputs the appropriate signals to power a trailer's lights. The module is designed to work with both 2-wire and 3-wire vehicle electrical systems.
No. Part 119147 does not work with multiplex vehicles (BM, BT or BTT). For multiplex vehicles, you must use part 119190 or 119250 instead.
The module supports two types of vehicle wiring systems: Type A (2-wire system) where turn and brake functions are combined on one wire and tail light is separate, and Type B (3-wire system) where turn, brake, and tail light functions are on separate wires. You must determine your vehicle's wiring type before installation to connect the input wires correctly.
Required tools are: Phillips Head #2 Screwdriver, Wire Cutters, Tester or Volt Meter, Wire Strippers/Wire Crimpers, Socket & Ratchet Set, and Drill with 3/32" Drill Bit. Double-sided tape is also provided with the kit.
The kit includes: 8 cable ties (8.5"), 1 15 amp fuse, 2 ring terminals, 1 fuse holder, 2 yellow butt connectors, 1 self-tapping screw, 4 blue taps, 1 spade terminal, and 1 double-sided tape. Note: The power wire is not included in part 119147; wiring kit 118150 or 118151 is sold separately.
No. The power wire is not included in part 119147. You must purchase wiring kit 118150 or 118151 separately.
Yes. You must disconnect and isolate the vehicle's negative battery terminal before beginning installation. Read and follow all warnings and cautions printed on the tow vehicle's battery.
The approximate installation time is 45 minutes.
Determine a suitable mounting location for the module. Secure it using the double-sided tape provided. The module must be mounted so that the epoxy side is pointed towards the ground to prevent any water buildup.
Using a butt connector, connect the module's black wire to a 12 gauge (or larger gauge) wire. This wire will route to the vehicle's positive battery terminal.
Drilling may be required for the ground connection. You must locate a suitable grounding point near the module, such as an existing ground stud. If no existing ground point is available, you may drill a 3/32" hole to secure the white wire using the eyelet and screw provided. Do not drill into the vehicle floor or bed. Before drilling, verify what is behind any surface to avoid damage to the vehicle or personal injury. Do not drill into any exposed surfaces.
Locate a suitable grounding point near the module such as an existing ground stud. If one is not available, drill a 3/32" hole and secure the white wire using the eyelet and screw provided. Clean dirt and rustproofing from the area before connecting. Do not drill into the vehicle floor or bed.
Route the power wire to the vehicle's positive side of the battery. Using the fuse holder, butt connector, and ring terminal provided, connect to the battery. Do NOT insert the 15 amp fuse at this stage. Route the wire carefully to avoid hot pipes, heat shields, the fuel tank, or any other points that may pinch or break the wire.
The blue taps are used to splice the tow harness input wires to the vehicle's lighting wires. They are designed for 16-18 gauge wire only. You must use appropriate gauge wire splices when connecting to your vehicle's wiring.
Unused input wires may be secured with the spade terminal provided and attached to ground.
Do NOT insert the 15 amp fuse during the initial power connection to the battery. Only insert the 15 amp fuse into the fuse holder after all other connections are complete, during the completion step, just before testing the installation.
Secure the harness with the cable ties provided to prevent damage or rattling. Be careful to avoid any areas that would pinch, cut, or melt the wire.
After securing the harness with cable ties, reconnect the vehicle's negative (-) battery cable. Then insert the 15 amp fuse into the fuse holder and close the cap. Finally, test and verify the installation with a test light or trailer once installed, testing each function independently and in combination.
The 4-flat connector outputs are: White wire (Ground), Brown wire (Tail), Yellow wire (Left Turn/Brake), and Green wire (Right Turn/Brake).
For a Type A 2-wire system where turn and brake functions are combined on one wire and tail light is separate: Connect Yellow to the vehicle's Left Turn/Brake wire, Green to the vehicle's Right Turn/Brake wire, and Brown to the vehicle's Tail wire. The brake wire (red) is not used.
For a Type B 3-wire system where turn, brake, and tail light functions are on separate wires: Connect Yellow to the vehicle's Left Turn wire, Green to the vehicle's Right Turn wire, Brown to the vehicle's Tail wire, and Red to the vehicle's Brake wire. Use all input wires.
Use 12 gauge wire or larger gauge wire for the power connection from the module's black wire to the battery.
The blue taps provided are designed for 16-18 gauge wire only. If your vehicle's wiring is a different gauge, use appropriate gauge wire splices.
The module uses a 15 amp fuse. This fuse protects the circuit and must be fully inserted into the fuse holder. Do not exceed the stated product ratings, as overloading circuits can cause fires.
Yes. The module must be connected to a constant power source. Do not use an alternative power source that is interrupted when the vehicle is off.
When using a volt meter or circuit tester, carefully probe one wire at a time. Do not probe across two wires or across vehicle structure, as this can cause damage or injury.
After inserting the 15 amp fuse and reconnecting the negative battery cable, test and verify the installation with a test light or trailer. Test each function independently and in combination to ensure all lights are working correctly.
It works with 2-wire and 3-wire vehicle electrical systems, but NOT with multiplex vehicles (BM, BT or BTT)—use part 119190 or 119250 for those. Determine your vehicle's wiring type before purchase.
Power wire is sold separately (kit 118150 or 118151). Required tools: Phillips #2 screwdriver, wire cutters, volt meter, wire strippers/crimpers, socket set, and 3/32" drill bit.
Use 12 gauge wire or larger for the power connection from the module to the battery.
Use a 15 amp fuse. Do NOT insert it during initial power connection; insert it only during the final completion step, just before testing.
Check the chassis ground first: ensure the ring terminal is in full contact with bare metal of the vehicle's chassis. Then verify the 15 amp fuse is fully inserted into the fuse holder with no breaks. Confirm the fuse holder is connected properly to the positive post of the battery. If the fuse has activated circuit protection, remove the 15 amp fuse for 10 seconds and repeat the test. Also verify the module is connected to B+ by using a volt meter to check for voltage on either side of the yellow butt connector near the module.
First, ensure input wires are installed per the Tow Vehicle Inputs - Determination findings for your vehicle type. Remove the 15 amp fuse for 10 seconds and repeat the test. Next, ensure the blue taps are installed correctly. Using a tester or volt meter, check for voltage on each input wire near the module. Remove the 15 amp fuse for 10 seconds and repeat the test.
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