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Lucas Wiper Motor Wiring
Single Speed Setup
With the switch to Painless wiring harnesses, we have changed the setup of the wipers. We now use a single (fast) speed setup with no automatic parking.
Power comes from the fuse box over the blue wire #905. It goes into the high speed input (terminal #3 on the motor) The ground wire for the motor runs to the dash switch (a simple on-off, 2 terminal) and then to ground. Turning on the switch allows the motor to ground, and it runs. Switching off breaks the ground circuit, and the motor stops.
Lucas Wiper Motor Wiring
Two Speed Setup
From the article "Wiper Woes" by Gerry Hawkridge
Hawk: Thanks for the info!
It is very important to use the correct switch.There is a lot of confusion over the two position Lucas switch and it is important to use the correct one which is different to the two position switch. Using the wrong one will result in blown fuses and no self park facility. You must use the Lucas switch part number 35927 and wire it as per the diagram below.
LUCAS WIPER SWITCH Part No. 35927
Terminal Connections:
- #2 2nd speed = Yellow
- #4 1st speed = Green/Red
- #6 Ignition power in = Green
- #8 Park = Black/Green (linked to #4 when switch is in off position)
LUCAS WIPER MOTOR
- Terminal Connections
- #1 Earth = Black
- #2 Park = Black/Green
- #3 2nd Speed = Yellow
- #4 Ignition Power In = Green
- #5 1st Speed = Green/Red
Some cars have the stated Lucas switch, although I would check to make sure that it is still functioning correctly. Please check that the wiper motor and switch are wired correctly.
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A KM artist's rendition of the above
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Change date: Monday, 02-Jul-2007 20:57:58 MDT
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