Circuit/System Testing

Verify the battery cable connections are clean and tight.
Verify Voltage is between 12.0 - 15.0 V
- If not within the specified range Refer to Battery Inspection/Test
- Go to next step: If within the specified range
Test for less than the 0.5 V drop between terminal A X6 at the X50D Fuse Block - Battery and terminal A X6 at the X50A Fuse Block - Underhood with the ignition switch in the CRANK/START position.
- If greater than 0.5 V
  Replace the positive battery cable.
- Go to next step: If less than 0.5 V
Test for less than 0.5 V drop between terminal A X6 at the X50A Fuse Block - Underhood and terminal A X2 at the M64 Starter Motor with the ignition switch in the CRANK/START position.
- If greater than 0.5 V
  Replace the Starter Solenoid Cable.
- Go to next step: If less than 0.5 V
Test for less than 0.5 V between the negative battery cable and the M64 starter motor case with the ignition switch in the CRANK/START position.
- If greater than 0.5 V
  Replace the negative battery cable.
- Go to next step: If less than 0.5 V
Perform Battery Inspection/Test Using the EL-50313 Midtronics Battery Tester/Charger.
- If Battery Fails the Test
  Replace the C1 battery.
- Go to next step: If the Battery Passes the Test
  Go to next step: Replace the M64 Starter Motor.