Hi there,

I have a "vintage" Crown 35SCTT which has no traction in forward or reverse. Sometimes there is forward but no reverse traction.

I have changed the two micro switches located by the speed potentiometer. The truck worked well and 3 months later the same fault has returned. When the fault occurs, sometimes the contactors click in but there is no traction. Other times the contactors do not activate at all. The battery is charged regularly.

I have been unable to find an electrical schematic anywhere.

Are there any other micro switches which could cause this problem or is the fault in another area.

Could somebody please help.