Description & Operation

Power is supplied at all times:

• To ignition switch terminal No. 1
• Through 40-Amp fusible link (Letter "E", located in fuse and fusible link box)

With ignition switch in ON or START position, power is supplied through 10-amp fuse No. 18, located in fuse block (J/B):

• To Park/Neutral Position relay terminal No. 1

With ignition switch in the START position, ground is supplied:

• From ignition switch terminal No. 5
• To Park/Neutral Position relay terminal No. 6.

With selector lever in the "P" or "N", ground is supplied:

• To Park/Neutral Position relay terminal No. 2 through Park/Neutral Position switch
• From body grounds B55 and B75 (for 2003 model year vehicles).

Then park/neutral position relay is energized and power is supplied:

• From Park/Neutral Position relay terminal No. 7
• To terminal No. 2 of starter motor windings

Starter motor plunger closes and provides a closed circuit between battery and starter motor. Starter motor is grounded to engine block. With power and ground supplied, cranking occurs and engine starts.