Wiper motor wiring | GM Square Body - 1973 - 1987 GM Truck GM uses a switched ground system on all of their wiper motors on this series of trucks. There are no 12v power leads on the wiper switch contacts. The wiper switch routes grounds to the wiper motor not power. The wiper motor has constant ignition power from the WIPER fuse on two circuit 93 leads. Washer and Motor. Tech: Detailed Wiper Wiring Diagram | Chevrolet K5 Blazer In the middle of wiring my '73 fiberglass bodied K5 from scratch. Just fust finished the wipers, in case anybody is interested I thought I'd share the diagram. The GM diagrams are a little confusing and not so complete as the fuse box is not detailed anywhere. I don't have a Dead Things Vlog - Windshield Wiper Motor Wiring - YouTube Click to view on Bing13:07How to connect a five wire wiper motor for different speeds and how to connect the wiring for the park feature.Author: DeadThingsYardhauntViews: 116K Repair Guides - AutoZone AutoZone Repair Guide for your Chassis Electrical Wiring Diagrams Wiring Diagrams Chevy Color Code for Dummies | The H.A.M.B. This is a list of the Chevy Color code as recognized by most wiring companies. This is by no means absolutely complete as Chevy changed things here and there as well as had different color codes for options such as Power Windows or Air Conditioning. This is meant as a helpful guide to wiring your car with the basics. Chevy Truck Windshield Wiper Troubleshooting | It Still Runs Chevy Truck Windshield Wiper Troubleshooting just above the brake pedal. Some Chevy fuse boxes are labeled, so locating the fuse for the windshield wipers is easy. can also prevent the wipers from operating, even if the control switch still activates the turn signals. Finally, the wiper motor behind the dashboard may be faulty.