Operation CHARM
: Car repair manuals for everyone.
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GMC Truck
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1991
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Syclone V6-262 4.3L Turbo
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Brakes and Traction Control
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Wheel Speed Sensor
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Locations
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Wheel Sensor
Wheel Sensor
Front Wheel Speed Sensor 2WD:
Front Wheel Speed Sensor 4WD:
Rear Wheel Speed Sensor:
Front sensors: Behind brake rotor, mounted to backing plate.
Rear sensors: In brake drum, mounted to backing plate.