Curt Manufacturing REFLEX Manuale utente

PAGE 1

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

REFLEX

REFLEX BRAKE CONTROL

INSTALLATION AND USER GUIDE

51130-INS-R1 •

PAGE 2

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 specic vehicles. See catalog for availability

•CURT part# 51515/51516 - male quick plug with pigtails

•CURT part# 51500 - brake control wiring kit

Key Features

•Polarityprotectedagainstpositiveandnegativepowerreversal

•Powerconservationmodeafteronehourofinactivity,wakeswhenbrakepedalispushed

•Displayiscapableofcommunicatingoperatingerrors

•Manual control lever activates brake lights

•Reduced output when sitting still (railroad crossing, stoplight, etc…)

•Will work with most electrically activated hydraulic trailer brake systems

•Nearly unlimited mounting positions, single calibration upon initial setup

PAGE 3

Controls and Components

1. Digital display

2. Load range / calibration button

3. Output adjustment thumb wheel

4. Manual control lever

5. Quick plug connector

5 3

PAGE 4

Mounting the Brake Control Module

NOTE: Avoid mounting the brake control module near a CB radio or other RF transmitter.

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.

The module can be mounted above or below the dash at any angle vertically,

but must stay within 20° horizontally (see Figures 1, 2 and 3).

Figure 1 Figure 2

20° 20° 20° 20°

Figure 3

PAGE 5

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. If using tape, make sure both surfaces are at least 68°; warm them, if needed using

vehicle heater or a heat gun. Clean the mounting location and bracket with the surface

prep wipe provided.

  Peeladhesivelinerfromonesideofthefoamtapeandstickthetapesecurelyontothe

bracket's surface. Make sure the front of the bracket is facing the driver, see Figure 4.

  Peeltheotherlinerandpressthebracketrmlyintoplace.

6. Line up the slots in the side of the module with the bracket arms,

slide the unit into the front of the bracket until it snaps into place.

Figure 4

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.

PAGE 6

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.

For tow vehicles not equipped with a factory brake control plug,

we suggest CURT brake control wiring kit, part# 51500.

IMPORTANT: Make sure that both positive and ground connections are made directly to

the tow vehicle's battery. Connecting to existing wiring or chassis ground, other than the

battery terminal, may damage vehicle circuits and could lead to trailer brake failure.

Mount a 30 amp, auto reset, circuit breaker as close to the battery as possible.

IMPORTANT: When passing wire through sheet metal, always go through an existing

grommet, add a grommet or use silicone sealer to protect the wire from sharp edges.

Feed two 10 gauge wires, one white and one black, from the mounted brake control to the

battery area. Using a ring terminal, connect the black wire to the 'aux' side

of the 30 amp circuit breaker. Leave the white wire for connection later.

Using 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. Using a 10/12 gauge butt

PAGE 7

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. Connect to the light green wire only.

For 1989 - 1991 Ford E and F series vans and trucks with anti-lock brakes, nd the

crescent shaped connector located on the steering column. The connector has two

rows of wires, the wire needed is the light green wire, second from the end in the

outside row. See the view shown in the wiring diagram on page 8.

Forallothervehicles,useatestprobetondthecoldsideofthestoplightswitch.Probe

the switch wires until a wire is found that is only on when the brake pedal is pressed.

IMPORTANT: Once a cold side wire is found, test to ensure that the wire is not grounded

when the pedal is in the up position. If the wire is grounded, the brake control unit will be

destroyed when manual control is used.

Reconnect the tow vehicle's negative battery terminal and attach the white, 10 gauge

wire previously positioned near the battery to the negative terminal using a ring terminal.

Using 10 gauge stranded wire and a ring terminal, connect the

'battery' side of the circuit breaker to the positive battery terminal.

PAGE 8

WIRING DIAGRAM

PAGE 9

Calibration

With the tow vehicle on a level surface and no brakes applied, press and hold the load

range / calibration button located next to the digital display. When a steady 'CL' appears,

calibration is complete. Recalibrate if the module loses power, if the mounting angle

changes, or if the 'CL' ashes at any time. NOTE: To prevent inadvertent calibration, the

calibration mode is locked out when the brakes are engaged.

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

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.

PAGE 10

Set Load Range

Pressandreleasetheloadrange/calibrationbuttonuntilappropriateoutputrangeisset.

Trailer GVW is less

than tow vehicle GVW

Trailer GVW is approximately

equal to tow vehicle GVW

Trailer GVW is up to 50%

more than tow vehicle GVW

Trailer GVW is more than 100%

greater than tow vehicle GVW

Set Output

With the trailer connected and engine running to ensure proper charge voltage, while

parked without the brake pedal applied, slide the manual control lever to the left as far as it

will go. While holding the manual control, turn the output wheel located on the left side of

the module until 5.0. is displayed.

Output Adjustment

Drive forward at about 25 mph with enough distance for safe braking, apply the trailer's

brakes using the manual control lever only. The output should be set to a point where

brakes do not lockup, but stops are rm and smooth. If needed, adjust the output setting

up or down, then retry.

Conﬁrm Settings

Using the brake pedal, make additional stops at 25 mph. Stops should be rm and smooth.

If needed, adjust the output setting up or down. IMPORTANT: Always check trailer brake

condition before towing. Brake control cannot compensate for worn or defective brakes.

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