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Controller Wiring Instructions
TIP:
• Special Dual-Mated "Quik Connect
Brake Controllers fitted with a connector on the wire leads, making connection a
snap. Harnesses are available through all dealer resources. Ask specifically for the
Hayes Brake Controller Company (HBC) brand harnesses to match your controller.
The following chart describes the function of each of the controller's wires:
Order
Color
st
1
White
nd
2
Black
rd
3
Red
th
4
Blue
Make all controller wiring connections to the wiring harness before connecting the
IMPORTANT:
harness to the vehicle.
Function
Wire
Size
(AWG)
Ground
+ connection
to the
vehicle's
power system
Stoplight
Output to
trailer brakes
SELF-RESETTING CIRCUIT BREAKER
Number of Brake
Light Bulbs (tow
vehicle plus trailer)
4 Bulbs (minimum)
5 Bulbs
6 Bulbs
7 Bulbs
8 Bulbs
9 Bulbs
Note : Each trailer brake magnet is assumed to draw 3 amps of
current and each brake lamp bulb is assumed to draw 2 amps.
TM
" Wiring Harnesses are available for all Hayes
Connect To
16
grounded metal part of the firewall or directly to the
negative (-) terminal of the battery.
12
positive (+) terminal of the battery. MUST have a
self-resetting Circuit Breaker in-line between the
controller and the battery. See chart for proper size.
Route the black wire through a grommet hole in the
fire wall to prevent wire grounding and away from the
radio antenna to reduce any possible AM radio
interference.
14
non-powered stop lamp wire (of the stop lamp switch)
or trailer tow wiring harness. It is recommended that
a 20-amp inline fuse be installed between the
controller's red wire and the stop lamp switch. The
fuse is required in 1999 & later Fords.
14
the trailer brake wire or tow vehicle / trailer connector.
SIZE CHART
Number of Trailer Brakes
2 Brakes
4 Brakes
20 AMP
30 AMP
20 AMP
30 AMP
20 AMP
30 AMP
30 AMP
30 AMP
30 AMP
30 AMP
30 AMP
40 AMP
6 Brakes
30 AMP
30 AMP
40 AMP
40 AMP
40 AMP
40 AMP
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