Connect to Ledger device

Connect and unlock your Ledger device. Open the Bitcoin Cash app. Launch Electron Cash from your applications folder. The install wizard opens. Leave the default wallet name and click Next. Select Standard wallet and click Next. At the keystore screen, select Use a hardware device and click Next. Select your Ledger device and click next. Leave the derivation path as default (m/44'/145'/0') and click Next.

Your addresses are generated and voilà! Your account balances are shown in the History tab. You can now manage your BCH from your Ledger device using Electron Cash.