For 1990-2009 cars only
When a lock is in to the AJAR position, ground is applied through the switch to the body control module (BCM). The BCM then sends a message to the instrument panel cluster to illuminate the ajar indicator.
When a lock is in to the AJAR position, ground is applied through the switch to the body control module (BCM). The BCM then sends a message to the instrument panel cluster to illuminate the ajar indicator.