120 ENGINE WIRING K9K 120INJECTION COMPUTERANY TYPE F10.53AAINJECTION LOCKING RELAY COIL - CONTROL G12.0NELECTRONIC EARTH H12.0NELECTRONIC EARTH F20.53FFPRE-HEATER RELAY - CONTROL G22.03FB1INJECTION + > PROTECTIVE RELAY H22.03FB1INJECTION + > PROTECTIVE RELAY C30.638XREFRIGERANT GAS PRESSURE SENSOR SIGNAL D30.53FYPRE-HEATER RELAY DIAGNOSTIC SIGNAL G30.638URHEOSTAT CURSOR C40.638YREFRIGERANT GAS PRESSURE SENSOR +