SilveradoSierra.com • How To Repair GMC CK Series Trucks ...
Put a piece of shrink-fit or an insulated spade lug on it to prevent accidental shorts. I mounted my relay on the firewall between the wiper motor and the brake master cylinder. A short wire with a ring terminal grounds the relay coil. Cut the (GRN/BLK) wire at the cycling switch connector, and crimp on a male-female pair of insulated spade lugs.
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