REFLEX REFLEX BRAKE CONTROL INSTALLATION AND USER GUIDE For use with 12 volt negative ground systems only For trailers with two to eight brakes Read, follow and save this guide for future reference 51130-INS-R1 • PAGE 1
This package includes: (1) Brake control module with quick plug (1) Slide-in mounting bracket (2) Mounting bracket screws (1) Double-sided mounting tape (1) Surface prep wipe (1) Quick reference card One or more of the following may be needed to complete installation: • Brake control connection harness, supplied with the tow vehicle (if equipped) • CURT quick plug - custom connector for specific vehicles.
Controls and Components 1. Digital display 2. Load range / calibration button 3. Output adjustment thumb wheel 4. Manual control lever 5.
Mounting the Brake Control Module NOTE: Avoid mounting the brake control module near a CB radio or other RF transmitter. 20° Figure 1 20° Figure 2 20° 20° Figure 3 1. Determine a suitable mounting location. Mount the unit securely to a solid surface where it is easily accessible to the driver. The area behind the mounting location must be clear to prevent damage while drilling.
2. The mounting bracket can be secured with the screws or foam tape provided. NOTE: The front of the bracket must face the driver. See Figure 4. Figure 4 3. Hold the bracket in place and mark two screw locations. Using a 1/8" diameter bit, drill holes in the marked locations. 4. With a philips screwdriver, secure the bracket in place using the two screws provided. Be careful not to strip the holes by over-tightening. 5.
Wiring NOTE: Removal of factory supplied quick plug may void warranty. Most pick-ups and utility vehicles are equipped with a plug from the factory that allows quick brake control installation. Check the owner's manual for plug availability, location and installation. If the mating plug supplied with the vehicle is no longer available, a CURT quick plug can be used. See the CURT catalog for application information.
connector, attach the white wire from the battery area to the brake control's white wire. Run a 10 gauge blue wire from the tow vehicle's trailer plug 'brake' terminal to the brake control. Using a 10/12 butt connector, connect this wire to the brake control's blue wire. Connect the brake control's red wire to the cold side of the tow vehicle's stoplight switch using a wire tap. NOTE: When making the stoplight switch connection on Ford / Mercury vehicles, do not connect to the red wire with green stripe.
WIRING DIAGRAM PAGE 8
Once properly connected, the display will show one of the following: Condition Display Meaning Blank screen Sleep mode, touch brake pedal to activate One dot No trailer connected Two dots Trailer connected O.C Manual control activated, no trailer connected 0.5 to 0.9 to Trailer is connected, brakes are activated. The display reading is based on the position of the output control or the position of the manual control.
Set Load Range Press and release the load range / calibration button until appropriate output range is set.
Troubleshooting Guide This brake control is capable of communicating functional errors through the digital display. Condition Display Issue Single dot Brake pedal is pushed, no trailer connection Flashing O.C When manual control is activated indicates no trailer connection. Note: O.C. will flash for a few seconds after a trailer is disconnected from the tow vehicle trailer plug, this is normal Flashing S.
Bench Test Wiring Figure 5 PAGE 12
3. Rotate the output control thumb wheel clockwise as far as it will go. Move the brake control's manual control to the left, the display should show O.C. Connect the brake control's blue wire to the bulb's wire. See Figure 5 on page 12. 4. Activate the brake control's manual control, the display should read up to 9.9. After releasing the manual control, the display should show two dots. Repeatedly push the load range button and the display should cycle from L1 to L4. 5.
