Lucas 2 Speed Wiper Motor Wiring Diagram. Lucas dr3a two speed wiper motors the lucas two speed variant of the dr3a wiper motor as found on triumph tr4a and other vehicles from the same era seem to create problems when people try to wire them up. Kit car replica wiper motor wiring tutorial.
Lucas dr2 wiper motor wiring diagram. With the wiper switch in the high position check for voltage at the terminal with the u lg wire. The motor shaft drives a worm reduction gear.
Check for continuity to ground at the terminal with the black wire.
Recently geoff morgan contacted me to suggest an improvement. Here is a picture gallery about lucas dr3 wiper motor wiring diagram complete with the description of the image please find the image you need. Often this happens when someone tries to use one to upgrade from a single speed variant. This is the early style square housing motor with three wires coming out of the motor plus an earth ground lead attached to a screw on the motor end cap.