2001F150 SHOWN STARTER RELAY FUSE
TRUCK WAS RUNNING GREAT . REPLACED STARTER, BATTERY, STATER
SWITCH ON FIREWALL. JUST CLICKS, AND WON'T CRANK STARTER.
Check connecting cables to battery and motor
Verify ur wiring. If all wires are connected correctly and u have a good ground, bypass wall switch (relay) on firewall, try to start it directly from battery positive to small terminal on firewall switch that has an "S" on it. If it starts, check the signal going to it from ignition switch. If it still doesn't start, check ur starter by running it directly to battery
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