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Page 1 of 2 INSTRUCTIONS FOR THE INSTALLATION AND OPERATION OF BRAKEMAN COMPACTELECTRONIC TRAILER BRAKE CONTROL 74642 FOR 2 & 4 BRAKE SYSTEMS
IMPORTANT: READ AND FOLLOW THESE INSTRUCTIONS CAREFULLY. KEEP THESE INSTRUCTIONS IN YOUR TOW VEHICLE FOR FUTURE REFERENCE.
THIS PACKAGE INCLUDES: (1) Brake Control Unit (1) Mounting Bracket (4) Mounting Screws (1) Wire Tap Connector (1) Warranty Card
MATERIAL REQUIRED -Reese Brake Control Wiring Kit #74202 or: 12 Ga. wire 20 Amp auto-reset circuit breaker Assorted ring terminal & butt connectors 4" cable ties (6-1 0)
TOOLS REQUIRED: Assorted end wrenches Drill with 1/8" bit Wire connector crimp tool Probe type circuit tester Wire cutter/stripper. Screwdriver
Reese
Products, Inc
Use bracket as template to mark hole locations. Drill two 1/8" diameter holes and mount bracket with screws provided. Mount brake control to bracket using the remaining two screws.
SECTION 1 - MOUNTING1. 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 the mounting location must be clear so nothing will be damaged when drilling. 2. Hold the mounting bracket in the position selected and mark hole locations through the slots in the bracket. 3. Using a 1/8" dia. bit, drill holes in the marked locations. 4. With a screwdriver or a 1/4" nut driver, secure the bracket in place using (2) self tapping screws (provided). Be careful not to strip the holes by over-tightening. 5. Mount the brake control unit in the bracket using the other (2) self tapping screws as shown in the illustration. SECTION 2 - WIRING
This Electronic Brake Control is for Use on 12-Volt Negative Ground Systems Only IMPORTANT: Read and follow all warning and cautions printed on the tow vehicle battery.
IMPORTANT: DO NOT REVERSE BLACK AND WHITE WIRE CONNECTIONS! Damage to the brake control unit will occur!
WARNING:
Do not connect the black "BATTERY" wire to the fuse panel or tie into
accessory wiring. Connecting to existing wiring may damage vehicle wiring and
cause trailer brake failure.
FOR TOW VEHICLES EQUIPPED WITH FACTORY TRAILER TOWING PACKAGES:Wire per tow vehicle manufacturer's instructions.
FOR TOW VEHICLES WITHOUT FACTORY TRAILER TOWING PACKAGES:1. Determine which side of the stoplight switch is the cold side. To determine the cold side, probe the terminals of the switch with a test light until one is found that is only on when the brake pedal is depressed. Mark the cold wire. 2. Disconnect the tow vehicle's negative (-) battery cable. 3. Mount a 20 Amp auto-reset circuit breaker (such as Reese 74458) as close to the positive (+) battery terminal as possible. Using 12 GA or larger stranded wire and crimp type ring terminals connect the "BATT" side of the circuit breaker to the positive battery terminal 4. Feed one black and one white, 12 GA or larger strand- ed wires from the brake control location to the tow vehicle battery area. 5. Connect the black wire to the "AUX" side of the circuit breaker with a ring terminal. 6. Connect the white wire to the negative battery cable with a ring terminal. 7. Attach the control's black "BATTERY +" wire to the wire (black) connected to the "AUX" side of the circuit breaker using a butt connector. 8. Connect the control's white "GROUND" wire to the wire (white) leading from the negative battery cable with another buff connector.
WARNING: A brake control that is not properly grounded may operate intermittently or not at all. Recheck to make sure that the white "GROUND -" wire is connected to the (-) negative battery cable and that the black "BATTERY +" wire is attached to the (+) positive battery cable.
9. For tow vehicles other than 1989-91 Ford E and F series vans and trucks: Using the wire tap provided, splice the brake control's red "STOPLIGHT" wire to the wire attached to the cold side of the stoplight switch as determined in step 1. Go to step 10.
For 1989-91 Ford E and F series vans and trucks with anti-lock brakes: See Fig. 2a. Find the crescent-shaped connector located on the steering column (turn signal harness). The connector has two rows of wires; one row has four wires (inside row), the other has seven.
The wire needed is the light green wire, second from the left in the row of seven (See Fig. 2a). Using the wire tap provided, splice the brake control's red "STOPLIGHT" wire to the light green wire.
10. Attach the brake control's blue "BRAKE" wire to the trailer brake wire. 11. Secure all loose wires with cable ties so that they will not be damaged. Reconnect battery. See vehicle's owner's manual for special reconnection instructions.
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