1968 Wiper Troubleshooting
Former Vendor
Joined: Aug 2006
Posts: 76,656
Likes: 1,853
From: Jeffersonville Indiana 812-288-7103
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
The ground will arc, but you don't need to run it to the door open switch, if the center dash bezel is broken you just need to run a ground from the screw on the switch to one of the five screws that attach the center gauge pod to the lower dash bezel. The temperature gauge ground is the main ground for the center dash bezel and the wiper switch.
Willcox
Willcox
Is my vette stock?? HAHA
Joined: Oct 2015
Posts: 20,212
Likes: 9,352
From: Im not allowed to tell you
2020 C3 of the Year Finalist - Modified
2020 Corvette of the Year Finalist (performance mods)
2019 C3 of Year Winner (performance mods)
2016 C3 of Year Finalist
yes your completing a circuit so it will spark, once you run a proper ground or find the one that is supposed to be connected back there, it will eliminate that arc.
congrats on getting it solved
congrats on getting it solved
Drifting
Joined: Jul 2015
Posts: 1,765
Likes: 254
From: Catlett VA
wipers
The wipers are working. I performed some more tests patching in a ground in a couple places without success. I went to pull the wiper motor and found a harness cable disconnected. I also found a loose ground wire on the motor itself. I reattached the harness and tightened the ground. I patched a ground from the dash switch to the 'door open' button in the door hinge. Turned on the key and 'BAM'. They ran.
I found that with the override switch on (to stop the wipers) and the ignition key off, a small spark occurs when the wiper dash switch housing is grounded to the instrument housing. I presume that is that small power drain that everyone refers to as caused by the override switch. Correct? Hopefully something else isn't going on.
I'll bench test my new '68 motor soon and then swap it in. For now, I have wipers.
Now I need to figure out how to properly mount the dash switch bezel, the bezel beneath that, and the horizontal air vent that fits between them. I'll shoot a few pictures and post something soon.
My car was built in December 1967, Rescue. My override switch panel is configured differently. It has the two vacuum overrides on each side and the wiper override in the middle position.
Thank you very much everybody.
I found that with the override switch on (to stop the wipers) and the ignition key off, a small spark occurs when the wiper dash switch housing is grounded to the instrument housing. I presume that is that small power drain that everyone refers to as caused by the override switch. Correct? Hopefully something else isn't going on.
I'll bench test my new '68 motor soon and then swap it in. For now, I have wipers.
Now I need to figure out how to properly mount the dash switch bezel, the bezel beneath that, and the horizontal air vent that fits between them. I'll shoot a few pictures and post something soon.
My car was built in December 1967, Rescue. My override switch panel is configured differently. It has the two vacuum overrides on each side and the wiper override in the middle position.
Thank you very much everybody.
Congrats on getting the wipers to work. It took me three months to get them working on my 68 convert, mainly due to the PO cutting and splicing wires incorrectly. "I presume that is that small power drain that everyone refers to as caused by the override switch." RR pointed out this problem. Make sure it is off or you will have a dead battery. I think the GM engineer who designed the wiper motor for the 68 was placed in an insane asylum.
