Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1986C 10 P/U 2WD V8-350 5.7LREPAIR AND DIAGNOSISWIPER AND WASHER SYSTEMSDESCRIPTION AND OPERATION
1986 Chevrolet C 10 P/U 2WD V8-350 5.7L
Wiper and Washer Systems: Description and Operation
1986 Chevrolet C 10 P/U 2WD V8-350 5.7LSECTION Description and Operation
All P models and 1980---83 Caballero and El Camino models use a compound wound type wiper motor. Motor speeds on this type motor are determined by varying current flow through the motor shunt field. Two different compound wound motors are used depending upon application. A rectangular motor is used on P models and a round motor is used on Caballero and El Camino models.
A permanent magnet type motor is used on all except P models and 1980---83 Caballero and El Camino models. Permanent magnet motors usually have three brushes, common, low and high speed. Motor speeds are determined by completing the circuit to the low or high speed brush, while the common brush is used at both speeds.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.