Section 03-03: Engine Cooling
1993 Mustang Workshop Manual
DIAGNOSIS AND TESTING

Component Tests

 

Block Heater

  1. Disconnect power cable from block heater.



  1. Check continuity of Circuits 1, 2 and 3 in power cable with Rotunda Digital Volt Ohmmeter 014-00407 or equivalent.
  1. If cable has continuity in all circuits, replace block heater. If cable does not have continuity, replace cable.