BENDIX EC-60 ABS-ATC STD-PREM CONTROLLERS manual Troubleshooting Wiring, Wheel Speed Sensor Wiring

	Troubleshooting: Wiring (Continued)
			Max. Gap
		Mounting	(Sensor	to Exciter)
	Speed Sensor		.015 Inches
		Block
	Mounting Block
			WS-24™speed
	100 Tooth (typical)			sensor
	Speed Sensor
	Exciter Ring			100 Tooth
		Brake Drum		Exciter
				Ring
WS-24™Speed
Sensor (90	Deg.)
			90° Speed
	Hub Assembly		Sensors
			Sensor	Straight Speed
			Clamping
			Sleeve	Sensors

FIGURE 15 - WS-24™WHEEL SPEED SENSOR INSTALLATION

Wheel Speed Sensor Wiring

Route sensor wiring coming out of the wheel ends away from moving brake components. Sensor wiring needs to be secured to the axle to prevent excess cable length and wiring damage. It is required that cable ties be installed to the sensor wire within 3 inches (76.2 mm) of the sensor head to provide strain relief.

Following the axle, the sensor wires must be attached along the length of the service brake hoses using cable ties with ultraviolet protection and secured every 6 to 8 inches (152 to 203 mm). Sufficient – but not excessive – cable length must be provided to permit full suspension travel and steering axle movement. Install wires so that they cannot touch rotating elements such as wheels, brake discs or drive shafts. Radiation protection may be necessary in the area of brake discs.

Bendix does not recommend using standard tie-wraps to secure wiring harnesses directly to rubber air lines. This may cause premature wiring failure from the pressure exerted on the wiring when air pressure is applied through the air line. Non-metallic hose clamps or bow-tie tie-wraps are preferred.

The use of grommets or other suitable protection is required whenever the cable must pass through metallic frame members.

All sensor wiring must utilize twisted pair wire, with approx- imately one to two twists per inch.

It is recommended that wires be routed straight out of a connector for a minimum of three inches before the wire is allowed to bend.

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