Adding a dimmer switch to in wall timer

[Jumper10]

I put in led high hats in my soffit outside. They are operated by a timer switch. The problem is the lights are too bright. I want to add a dimmer switch to tone down the brightness. I tried to do it myself by adding a dimmer switch in between timer and lights. I tried all combinations possible and can’t seem to figure out how to get the dimmer to work. Any suggestions??

 

[telectrix]

have you got the correct dimmer for LEDs? post a pick of the dimmer reverse side with cables connected (isolate circuit first.

 

[Jumper10]

have you got the correct dimmer for LEDs? post a pick of the dimmer reverse side with cables connected (isolate circuit first.

I thought I bought the right dimmer. The back has two gold screws no black.

 

[telectrix]

that dimmer is for incandescent or halogen lamps. it will not work correctly with LEDs.

 

[Jumper10]

that dimmer is for incandescent or halogen lamps. it will not work correctly with LEDs.

I see that now reading the cover ??‍. As far as wiring it with the correct dimmer, would bypassing the dimmer with the common wire and connecting the hot to dimmer work or do I need to add another hot wire out of the timer? Thanks for all your help!
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Adding this dimmer switch red, black, red (white stripe 3 way) green. As far as connecting them, I have black white and cooper coming from timer and need to add black white cooper coming from the lights. Any suggestions on what to connect what to?

 

[telectrix]

it should work as your diagram. LED dimmers are generally what we call trailing edge, you want one with a min load < the total load of you LEDs and a max load > than that. e.g. dimmer will be stamped min. 20 watts, max. 60 watts. so the LED total load would be between 20 and 60 watts.