1. Visit your nearest John Deere dealer.
2. Ask the parts department for a copy of the wiring diagram for your specific John Deere 2155 tractor model.
3. You may need to provide the serial number or model number of your tractor to ensure you get the correct diagram.
Option 2: John Deere Parts Catalog
1. Access the John Deere Parts Catalog online: https://jdparts.deere.com/default.aspx
2. Create an account or sign in if you already have one.
3. Enter your John Deere 2155 tractor model number or serial number in the search field.
4. Select your tractor from the search results.
5. In the parts catalog, navigate to the "Electrical" section or search for "wiring diagram."
6. You should be able to find and view the wiring diagram specific to your tractor.
Option 3: Online Tractor Manuals
1. Search for online resources or websites that offer tractor manuals and diagrams.
2. Some websites may provide free access to downloadable manuals, while others may require a subscription or purchase.
3. Make sure the website is reliable and offers genuine John Deere manuals.
Remember that it is important to handle electrical components with caution. If you are not confident or comfortable working with electrical systems, it is recommended to consult a qualified mechanic or technician.