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I'm wiring up the car (nothing is stock not even the harness, it's a universal painless wiring system in the car now) and I'm looking at the 68 wiper motor, thinking I want to change that over to later years since 68 is "unique"...I have a brand new 68 motor, works fine, but for the sake of being more efficient and upgrading to maybe something simpler to wire, I was thinking going to a later year (which year, who knows). I'm keeping the wiper door and 99% sure I'm going electric conversion on it too...
Any year better/easier than others?
I'm wiring up the car (nothing is stock not even the harness, it's a universal painless wiring system in the car now) and I'm looking at the 68 wiper motor, thinking I want to change that over to later years since 68 is "unique"...I have a brand new 68 motor, works fine, but for the sake of being more efficient and upgrading to maybe something simpler to wire, I was thinking going to a later year (which year, who knows). I'm keeping the wiper door and 99% sure I'm going electric conversion on it too...
Any year better/easier than others?
If you are going to keep the door you'll need to run the 69-72 style motor and change some things. You'll still want the limit switch wired into the car to prevent the motor from running when the door is down. The 69-72 motor has the additional wire needed to do this.
Below are the 68 and the 69-72 isolated wire schematics.
Look at a C4 motor- It's positively switched- doesn't have a shunt - much stronger- and will park the wipers correctly. To do the wiper door would just require a relay.
And don't tell the C4 guys- that a 88-90 Cutlass Supreme wiper motor is the SAME as a Corvette. I got one NOS listed as an Olds for $45!!!! I just got the part number and did a google search. The control module(basically ALL the electronics are in the cover)is around a $100 for a Vette.. The motor just has two power sources to control it-
Just add an outboard washer pump-. get a hold of a C4 switch and run it stand alone - the motor is clocked correctly-and just required one hole in the firewall as two of the three holes lined up. Even the motor output is the same size as the C3!!!
Richard, thank you for the info, I'm gonna look into that...would this mean I need a wiper arm limit switch? (I think I see that in one of the picture above)...
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68 wiper motor upgrade ?
