Help! oil press. gauge broke

[pelco]

Ok so here is the problem, i had indiglo gauges in my car that someone else installed and they were not working, I couldn't see my gauges at night. So i removed the tach and spedo indiglos with no problem, but the boost/oil gauge indiglo was screwed on in four spots. I took those four screws out and then ended up cutting the indiglo gauge in half to get it out without removing the needles. When I went to put everthing back together i realized that there is a piece of metal in the back that acts as a nut for the screws i took out floping around in there. so i took the screws out of the back to get the gauges out and now my oil gauge came apart and I can't figure out how to get it back together. Can someone please tell me how to put this back together because I can't afford to buy another gauge cluster right now. Sorry for the crappy pic but i don't have a camera. Thanks sorry i'm an idiot for taking it apart

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ok i think i got it back together right when i move the needle it goes back down to zero, does anybody know how to take the face of the gas gauge without screwing everything up?

 

[just90gs]

Thier should be some very small screws you will need to take out then take clip's lose them just be easy with it, but it's just you oil pressure guage check the wire going the oil pressure solenoid on the motor