Clutch and engine check light plus clutch got eaten up in 2 weeks time

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This is a great resource for the Nissan Civilian. The fuse Box Diagram is halfway down on the right. Owner manuals as well.

https://www.cuppa500.com/Nissan%20Civilians.html

There is more on them here

https://www.google.com/search?q=1996+nissan+civilian+bus+fuse+box+diagram

and finally some nice images. They make a great Motor Home. We had a guy here a while back who was living in one for a while and then drove it part way across Australia to take it home from his father's home.

https://www.google.com/search?q=1996+nissan+civilian+bus

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Question edited for better English, spelling and shorter sentences.

You bought an antique, it is nearly 40 years old. You are supposed to restore them and only take them to shows on Sundays :>D

Yes the wheels are tuning on axle stands because there is no load.

It is strange it got you home but wouldn't work the next day, but my theory is that because you were thrashing it, the clutch plate is soaked in oil from a bad main seal. Remove the clutch, see what is going on behind it.

Restore it and drive it sedately. Diesels are not fast engines.

https://www.google.com/search?q=1984+Nissan+Civilian+Motorhome+having+drive+issues

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only if :
manual transmission car or truck.
not if clutch is cable operated, (gee no fluid here)
yes only if it has clutch slave cylinder,.(yes fluid here)
lost the operator guide I see.

Try eBay for a used manual.

Has it a manual clutch if yes
your pressure plate and clutch are stuck together from it lying up for ayear put in gear and get someone to tow you might free it

If the clutch has been replaced check the engine grounds and tranny grounds. you might be getting a change in ground when the clutch is pressed.

check the wiring on the new lights you have fitted. if there was no problem before then the lights are the fault. there maybe a failure in the lighting wiring on the new lights. shorting out the electrics and cutting the engine out.

not bad little buses actually. A little under powered but, good. Drain and refill the cooling system. Does this engine have an electric fan of a fan clutch attatched to the engine. I can not remember which this has. If it is a fan clutch, replace it too. I don't think you have any major problems. Let me know.

Most likely cam and or crank sensors. Have it scanned to be sure.