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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 480 (Exterior Lighting System) >> Diagnosis And Testing >> Trailer Lamps >> Pinpoint Tests >> Pinpoint Test AA: The Trailer Lamps Are Inoperative - Trailer Reversing Lamps >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The battery junction box (BJB) fuse 20 (10A) receives voltage from circuit 140 (BK/PK) when the vehicle reversing lamps are illuminated. The voltage is then routed to the trailer tow connector through circuit 963 (BK/LG).

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