GE7 Checking Wiring Harness (Circuit 430E)
^ Using an analog voltmeter, place positive voltage lead on Circuit 175B and negative lead on Circuit 430E (of the FIRM actuator relay connector).
^ Is voltage reading battery voltage?
YES -- GO to GE8.
NO -- SERVICE electrical problem in vehicle wiring harness. REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes