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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Body Control Module (BCM) - DTCS B10B3-14 To B1812-15) >> DTC Troubleshooting >> B17AD-14-Rear Left Trailer Turn Lamp Control - Circuit Short To Ground Or Open >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

Three relays are used to provide voltage to the Trailer Tow connector. The trailer tow relays are used to switch fused battery voltage directly to the Trailer Tow connector when requested. The trailer tow relays are activated through a ground path provided by the Body Control Module (BCM).