ID:  You will need to enter your ACDelco TST account number.  It is 6 digits and will look like 616002.  It is listed on most mailings you get direct from ACDelco.

password:  Your password is your 5 digit zipcode.

Call your supplying store or 800-798-5107 if you do not have your TST account number.

You may also email Info@johnstonauto.com for your correct password.