curt Triflex Brake Controller, User Manual

Page 1: ...r use with 12 volt negative ground systems only For trailers with two to eight brakes Read follow and save this guide for future reference TRIFLEX TRIFLEX BRAKE CONTROL INSTALLATION AND USER GUIDE 511...

Page 2: ...ith pigtails CURT part 51500 brake control wiring kit Important Information Read and follow installation and setup instructions carefully Failure to do so could result in damage to the brake control u...

Page 3: ...le manual control output 100 or limited to output setting Switchable manual control brake light activation or no brake light activation Compatible with electronic systems anti lock brakes and cruise c...

Page 4: ...Digital display 2 Sensitivity adjustment 3 Output adjustment thumb wheel 4 Manual control lever 5 Quick plug connector 6 Switch for manual control max output 100 or output setting 7 Switch for manual...

Page 5: ...d changes when different trailers are used or when adjustment is needed for changing road or driving conditions The maximum output setting is shown on the display when a trailer is connected and the b...

Page 6: ...or to limit power to the output control setting This feature is setup at installation via a small switch at the rear of the unit See Set Manual Control Output and Brake Light Switches The brake contr...

Page 7: ...ut circuit trailer brake system fault Low voltage tow vehicle system Blank display does not illuminate when control is activated check installation Blank display standby mode illuminates when control...

Page 8: ...tting limits the manual control output to the level set using the output control thumb wheel Moving this switch up to the OFF position allows 100 of the output to the brakes when the manual control is...

Page 9: ...0 70 20 Mounting 1 Determine a suitable mounting location A The unit must be mounted securely to a solid surface B The unit must be easily reached by the driver C The area behind mounting location mus...

Page 10: ...ck 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 matin...

Page 11: ...a 10 12 gauge butt connector attach the black wire from the AUX side of the 30 amp circuit breaker to the brake control s black wire Again using a 10 12 gauge butt connector attach the white wire from...

Page 12: ...rom the end in the outside row of seven wires see the box shown in wiring the diagram Splice the brake control brake control s red wire to light green wire using a wire tap Using 10 gauge stranded wir...

Page 13: ...wing preliminary adjustments with the trailer connected and engine running to ensure proper charge voltage The vehicle must be in park or neutral with the parking brake applied foot off the brake peda...

Page 14: ...too aggressive adjust the sensitivity control away from the driver Make several stops at various speeds and adjust sensitivity until stops are smooth and firm Slight adjustment the output control may...

Page 15: ...do so may damage the brake controller Brake Controller Setup Connect the quick plug to the TriFlex to provide accessible wires for bench testing Connect the white ground wire of the TriFlex and the g...

Page 16: ...he brake controller Release the manual control to deactivate Accelerometer Testing While keeping the brake control level connect the red brake input wire of the TriFlex to the positive terminal of the...

Page 17: ...PAGE 17 BENCH TEST DIAGRAM IMPORTANT Read and follow all warnings and cautions shown on the battery...

Page 18: ...ow vehicle s system voltage low Check tow vehicle s battery and charging system Display shows E 1 when manual control is applied Red wire connected to ground side of stoplight switch or is shorted to...

Page 19: ...ot blinking Mis wired trailer connector Confirm trailer connector terminal positions No trailer brakes pedal or manual Flashing Short or overload in trailer brakes Troubleshoot trailer brake circuit p...

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