How to replace wiper arm on 1975 dodge truck?

To replace the wiper arm on a 1975 Dodge truck, first lift the wiper arm away from the windshield. Locate the small retaining clip or nut at the base of the arm and remove it using the appropriate tool (usually a socket or wrench). Slide the old wiper arm off the wiper motor shaft and position the new wiper arm onto the shaft in the desired position. Secure it in place by reattaching the clip or nut, then lower the arm back onto the windshield.