Century 31 Autopilt

[Vlakvark]

Good day mooney friends. Does anybody have the instilation (wire diagram) manual for the century 31. I have some Alt hold issues and approach issues. 

Thank you

JT

[Piloto]

I have the manual. But tell me what are your symptoms. I have a Century 31 that had a similar problem. 

José

[Vlakvark]

When I have the electric on. The trim tab trim nose down. Autopilot not holding alt when engage. Tab always trim down 4/500 fpm. Glideslope above the and autopilot still strim down and not capturing the GS