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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...   2020 suburban new transmission and issues after install recently had the transmission fail at 11...

Search Auto Parts Search Ford F150 Brake Light Issue Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical KillerA10 New User Jul 16, 2011, 8:57 AM Post #1 of 4 (6835 views) Ford F150 Brake Light Issue Sign In 1999 Ford F150 (4-door/4x4) 5.4L Engine 115,000 miles I am having a brake light problem with the vehicle described above. The bottom line is that the rear brake lights do not work...the brake light on the rear (top) of the cab works...but the left and right rear brake lights do not. I've checked the fuse and bulbs; all are serviceable. I had to replace the switch on the brake peddle about 4-5 months ago (all brake lights were not working before replacing it) with no issues until now. Is it possible for the brake switch to send power to the cab brake light and not the rear brake lights? All other tail light functions work (hazards, turn signals, tail lights). Any ideas? (This post was edited by KillerA10 on Jul 16, 2011, 9:07 AM) Hammer Time Ultimate Carjunky / Moderator Jul 16, 2011, 11:59 AM Post #2 of 4 (6823 views) Re: Ford F150 Brake Light Issue Sign In You likely have a bad combination switch in the steering column. The 2 lower lights pass through the turn signal switch so the turn signals can cancel the brake lights when necessary. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. KillerA10 New User Jul 16, 2011, 2:56 PM Post #3 of 4 (6816 views) Re: Ford F150 Brake Light Issue Sign In Thank you for the input. I finally found a wiring diagram shortly after I submitted the original post and saw exactly what you described. When I opened up the steering column to get to the switch, I found that the electrical connector on the back of the switch was very brittle and was allowing the wires to back out of wiring harness. I believe I have it temporarily secured until I can get a new connector/pigtail ordered. Thanks again! Hammer Time Ultimate Carjunky / Moderator Jul 16, 2011, 3:49 PM Post #4 of 4 (6813 views) Re: Ford F150 Brake Light Issue Sign In Good, that was easy. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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