How do you check the timing on a 1989 ford tempo using a timing light?
Find timing marks 1 on cranshaft and a staionary one mounted to
engine around crankshaft area Highlight appropriate mark with
chaulk Disconnect #1 spark plug and install timing light between
plug wire and spark plug Connect timing light to battery terminals
Disconnect and plug vacuum advance line if so equipped Start engine
and observe spark flash on timing marks Adjust distributor
accordingly to align marks