Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
 
Vehicle » Lighting and Horns » Parking Lamp » Testing and Inspection » Component Tests and General Diagnostics  
 
 
  Component Tests and General Diagnostics  
 

  

  

  1. Measure the resistance between relay terminal 86 and all other terminals. If any resistance is 5 ohms or less, replace the relay. Otherwise, continue with the test.

  

  1. Use jumper wires to apply battery voltage to terminals 30 and 85. Measure voltage at terminal 87A. If voltage is less than 10 volts , replace the relay. Otherwise, continue with the test.

  

  1. Use a jumper wire to apply ground to terminal 86. Measure the voltage at terminal 87. If the voltage is less than 10 volts , replace the relay. Otherwise, return to the pinpoint tests. See: Pinpoint Tests