19-05-2017 6:36 PM
Information from the help pages for you:-
To link your eBay account to your PayPal account, select Link my PayPal account.
To check whether you’ve already linked your accounts, follow these steps:
Go to My eBay > Account > PayPal account.
Next to “Buying on eBay”, you’ll see which PayPal account is linked to your eBay account, if any at all.
If you want to link a different PayPal account to your eBay account, select Unlink accounts and then Link my PayPal account.