1994 Ford Thunderbird 94 T-bird only clicks when try to sta

Check the battery for full charge ? check the connections on starter for corrosion and tightness TAP the starter motor a few times with a hammer it may be jammed

BASIC STARTER TROUBLE SHOOTING CHART
CONDITION & POSSIBLE CAUSECORRECTION
Starter Fails to Operate
Dead battery or bad connections between starter and battery....Check battery charge and all wires and connections to starter
Ignition switch faulty or misadjusted....Adjust or replace ignition switch
Open circuit between starter switch ignition terminal on starter relay.....Check and repair wires and connections as necessary
Starter relay or starter defective....See Testing in STARTER article
Open solenoid pull-in wire.....Testing in STARTER article
Starter Does Not Operate and Headlights Dim....
Weak battery or dead cellCharge or replace battery as necessary
Loose or corroded battery connections....Check that battery connections are clean and tight
Internal ground in starter windings....See Testing in STARTER article
Grounded starter fields....See Testing in STARTERS
Armature rubbing on pole...See STARTER article shoes