Nothing electric works

[Deatonj]

I’ve posted previously and really appreciate the feedback. With that said I’ll bring up one of many more problems.
NOT WORKING:
*door locks
*wipers (all though there is a slight clicking sound behind passenger seat when moving switch up and down - maybe relay or something?)
*cigarette lighter
* water temp gauge (maybe sending unit?)
*power antenna
* driver’s power seat

WORKING:
*power windows (barely)
*radio
*all other gauges
*interior lights (activated by opening door)
*head lights
*turn signals
*heater
*A/C compressor kicks on but no cold air ( newer conversion to new Freon stuff but compressor looks new. Hopefully needs gas?)

I mention all the stuff in hopes there might be a common fuse or ground or something that it would point to. The wipers right now are probably the most important to get working. I’ve checked the fuse and it looks fine. Beyond that I don’t have the vaguest idea of what to do. Any help would be greatly appreciated. Thanks in advance.

 

[Mac]

When multiple systems are out, it's almost always a grounding issue since (theoretically) all grounds are common. That doesn't necessarily mean a single ground strap has failed; it could be more than one that is problematic. I suggest you go through and clean all of them up.

Yeah, I know it's a PITA and time consuming but no-one promised you a rose garden.

Mac

 

[bill81vette]

Mac is right... check all of your grounds.Clean them up(wire brush,make sure there is no corrosion), and reinstall them and reseal them.(you buy at Napa or any good parts house).IF that doesn't work try replacing the fuse with new.
Good Luck!!


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[Deatonj]

I’ve posted previously and really appreciate the feedback. With that said I’ll bring up one of many more problems.
NOT WORKING:
*door locks
*wipers (all though there is a slight clicking sound behind passenger seat when moving switch up and down - maybe relay or something?)
*cigarette lighter
* water temp gauge (maybe sending unit?)
*power antenna
* driver’s power seat

WORKING:
*power windows (barely)
*radio
*all other gauges
*interior lights (activated by opening door)
*head lights
*turn signals
*heater
*A/C compressor kicks on but no cold air ( newer conversion to new Freon stuff but compressor looks new. Hopefully needs gas?)

I mention all the stuff in hopes there might be a common fuse or ground or something that it would point to. The wipers right now are probably the most important to get working. I’ve checked the fuse and it looks fine. Beyond that I don’t have the vaguest idea of what to do. Any help would be greatly appreciated. Thanks in advance.

Thanks. Is there a wiring diagram or something that says where the different grounds and the system that is utilizing it are located. ( I think bad grammar there. Sorry)

 

[bill81vette]

Thanks. Is there a wiring diagram or something that says where the different grounds and the system that is utilizing it are located. ( I think bad grammar there. Sorry)

Yes there are 2 if not 3-4 grounds.if you look down standing on the driver's side near the firewall, there's one in that area,there is another near the starter,and another underneath where the battery box is.all of them are on the frame. There are several wires together you will have to get underneath the Corvette to access them.do look around near the headlights and taillights as there may well be in that area as well.


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[Wayback]

For some reason my main neg cable to the frame was aluminum,I changed it over to copper.That was on the 78.
Was thinking,behind the bottom left kick panel I seem to recall some grounds there also.When I removed the shifter console to install the Hurst shifter I recall a ground there.