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Section 139 (Power Liftgate System): Chime/Thermistor: Description

WARNING: This page is about a different car, the 2005 Dodge Grand Caravan, 2005 Dodge Caravan, and 2005 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Rear Light Bar
GC0024777Courtesy of DAIMLERCHRYSLER CORP.
1 - CHIME/THERMISTOR
2 - ELECTRIC RELEASE HANDLE SWITCH
3 - LICENSE PLATE LAMPS

The chime/thermistor assembly is a small capacitor shaped electrical component mounted to the rear license plate lamp housing assembly, located just above the license plate. See Fig 1. The chime portion of the assembly controls the audible chime sound heard at the rear of the vehicle when the power liftgate is in motion. The thermistor portion of the assembly is a temperature sensor, used by the power liftgate control module. The chime/thermistor assembly is a serviceable component.