Pinpoint Test A: The Engine Does Not Crank And The Relay Does Click

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

A1 CHECK THE VOLTAGE TO THE STARTER RELAY
- Measure the voltage between starter relay pin 30, circuit 2037 (RD) and ground.
  
  Fig 1: Checking Voltage To Starter Relay
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 12.5 volts?
Yes : Go to A2.

No : REPAIR circuit 2037 (RD) for an open. TEST the system for normal operation.
A2 CHECK THE VOLTAGE TO THE STARTER MOTOR SOLENOID
- Measure the voltage between starter motor solenoid positive terminal and ground.
  
  Fig 2: Checking Voltage To Starter Motor Solenoid
  Courtesy of FORD MOTOR CO.
- Is the voltage 12.5 volts or greater?
Yes : Go to A3.

No : REPAIR circuit 2037 (RD) for an open. TEST the system for normal operation.
A3 MANUALLY JUMP THE STARTER MOTOR
- Connect one end of a fused (15A) jumper wire to the positive terminal of the battery and touch the other end to the starter solenoid S-terminal.
  
  Fig 3: Checking Manually Jump Starter Motor
  Courtesy of FORD MOTOR CO.
- Does the starter solenoid engage?
Yes : Go to A4.

No : INSTALL a new starter. TEST the system for normal operation.
A4 TEST THE STARTER MOTOR RELAY

Carry out the relay component test on the starter motor relay. Refer to the relay COMPONENT TEST .
Does the starter motor relay test good?

Yes : REPAIR circuit 113 (YE/LB) for an open. TEST the system for normal operation.

No : INSTALL a new starter motor relay. TEST the system for normal operation.