Wiring Point Motors

Can some help 85 year old Eric please:

"Can anyone assist me in wiring points on my 45mm g scale railway. I am 85 and cannot remember how I did it in the past. This has occurred due to my having to rewire my layout, which is outside and elevated to about 3 foot 6 inches height. The track is 45 mm ( and points ) but the name of point motors escapes me at the moment which is most aggravating. I am using two wire connection with a mobile brass connector and diodes to each wire in opposite direction. I realize this is a bit vague but hope someone can understand it."

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