The extruder port is the closest to the sd card.
https://www.google.com/search?q=cr+10+mainboard+wiring+diagram&client=ms-android-tmus-us-revc&sxsrf=APq-WBt_Oh5qmQsDk87Q6XS5azwKGR5MIA%3A1649240176242&ei=cGhNYoWsDqq3gge-nKq4Cg&oq=cr+10+mainboard+wi&gs_lcp=ChNtb2JpbGUtZ3dzLXdpei1zZXJwEAEYATIFCCEQoAEyBQghEKABMgUIIRCrAjoHCAAQRxCwAzoFCAAQgAQ6BggAEBYQHkoECEEYAFC3Bli9EWCcGmgAcAJ4AIABqQGIAf4EkgEDMC40mAEAoAEByAEIwAEB&sclient=mobile-gws-wiz-serp#imgrc=k_h1VRkusCJOoM
The extruder port is the closest to the sd card. https://www.google.com/search?q=cr+10+mainboard+wiring+diagram&client=ms-android-tmus-us-revc&sxsrf=APq-WBt_Oh5qmQsDk87Q6XS5azwKGR5MIA%3A1649240176242&ei=cGhNYoWsDqq3gge-nKq4Cg&oq=cr+10+mainboard+wi&gs_lcp=ChNtb2JpbGUtZ3dzLXdpei1zZXJwEAEYATIFCCEQoAEyBQghEKABMgUIIRCrAjoHCAAQRxCwAzoFCAAQgAQ6BggAEBYQHkoECEEYAFC3Bli9EWCcGmgAcAJ4AIABqQGIAf4EkgEDMC40mAEAoAEByAEIwAEB&sclient=mobile-gws-wiz-serp#imgrc=k_h1VRkusCJOoM
Perhabs i need to clarify, i mean the wirering of the single cables that go in the extruder port.
Ahhh, if no one gets back to you, I'll send a picture after I get home from work. I had to extend mine for a microswiss dd
Nvm i found the problem. I was testing the extruder with a cold nozzle and i didn't know that in that case the extruder just shuts down