looking for the order of the wiring on the wiper motor for my 62 cutlass. there is green and purple on one connector, and red on the other. on the switch there is red on a single connector, then green and white on the other . the previous owner just had a toggle switch.
Here is a pic of my wiring for a ’62 with 2 speed wipers and no washer.
The second pic (red firewall) is a ’62 with 2 speed wipers with washer.
The purple is also wired up to the washer pump with the addition of a light yellow wire from the harness.
For either option it is left to right, looking at the system, red/pink, purple then green to the wiper motor.
With 2 speed wiper , the single red goes on the outside of the wiper motor.. It is the switch for the speeds.. purple in the middle (power feed from the switch)
Be careful… The ground is connected via the switch itself, without the switch being grounded, the motor will not turn on.
That first pic looks different than what I have going to the motor. The red is by itself, and the purple and green are on the other. then on the switch end I have a single red, the green and white on the other connector. I will try to post pics later, but this is a start . thank you.
well to no avail……I know the motor works checked it before I took the toggle out. just put a new fuse in.still nothing the previous owner had a wire going to the + and the – then the toggle……is there only the 3 wires going into the switch? because on the switch I have red white and green, but purple on the motor…….Oh how I hate electrical……
grounded how? the green wire ? When I just checked for voltage, and everything seemed good the switch itself touched the under side of the dash itself and they worked checked again it worked, but when its not touching the dash it does not work.
Correct.. the switch MUST be grounded or you can not complete the circuit. The purple wire is the 12V Feed.. the switch completes the the circuit based on which speed you are running. So the switch MUST be ground to the SAME ground as the motor or it will not turn on.. Very important IF bench testing.. you have to jumper the switch to the motor.. If not bench testing make sure the motor is still grounded as well as the switch.. The other wire at the switch is speed selection…
so how is the switch grounded? the green wire right? looking at everything, I do not see any other wires that are not connected except a grey wire but that looks to be for something else. all I know is my comet isn’t this complicated.
The ground for this electrical circuit is made by the switch being secured to the metal dash board panel. There is NOT a “wire” that makes the ground for this circuit. Both the wiper motor and switch complete the electrical circuit to ground through the metal parts of the body. For this electrical circuit, the firewall and dash panel. The metal of the entire car is the route to an electrical ground. If your wiper switch is mounted through the hole in the dash for the switch and you have secured the switch with the nut and washer to the dash, the ground part of the circuit should be completed.
