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2005 Ford F150 Brake Lights Not Working


NoREPAIR the circuit. WARNING: Never probe the connectors on the air bag module. NOTE: If a seat equipped with a seat mounted side air bag and/or a safety belt pretensioner (if equipped) system is being serviced, the supplemental restraint system (SRS) must be depowered. HiCustomer Thank you for asking your question on JustAnswer. Check This Out

Circuit 511 (LG) supplies power to the multifunction switch and the high mounted stoplamp. Is the voltage greater than 10 volts?YesGO to L3. Ask Your Own Ford Question Customer: replied5 years ago. Failure to remove could result in injury and possible violation of vehicle safety standards.Make sure all restraint system diagnostic tool(s) that may have been installed during the repair have been removed

2004 Ford Expedition Brake Light Switch

The most common cause of the problem you are having is a defective CJB (Central Junction Box), which is the only thing the two systems have in common, if you need If they work on both sides on the rear of the vehicle then the wiring and bulbs to the back are good. You didn’t provide the year of the vehicle, so I had no way of reasonably checking a wiring schematic so it makes it a little difficult to be sure but here

Do the stoplamps illuminate? HiCustomer Thank you for asking your question on JustAnswer. Refer to Wiring Diagrams Cell 149 for component testing.Is the multifunction switch OK?YesINSTALL a new indicator flasher relay. 2000 Ford F150 Brake Lights Not Working This is the time required for the restraints control module (RCM) to complete the testing of the SRS.

These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years. 2004 Ford F150 Brake Light Switch Measure the voltage between the CJB C270e pin 23, circuit 296 (WH/VT), component side and ground. Thank you for asking your question on JustAnswer. Repowering Procedure WARNING: The restraint system diagnostic tool is for restraint system service only.

HiCustomer Thank you for asking your question on JustAnswer. 2004 Ford F150 Brake Light Fuse Location Following a diagnostic path to prove a problem will save you vs just plugging in parts. Possible CausesCircuit 10 (LG/RD) open Circuit 511 (LG) open Stoplamp switch Central junction box (CJB) PINPOINT TEST I: ALL THE STOPLAMPS ARE INOPERATIVE Test Step Result / Action to Take I1 Is the resistance less than 5 ohms between the multifunction switch and the indicator flasher relay; and greater than 10,000 ohms between the multifunction switch and ground?YesGO to L5.

2004 Ford F150 Brake Light Switch

Did you use a test light or just look at it? useful reference Measure the resistance between CJB C270f-3, circuit 10 (LG/RD), harness side and stoplamp switch C278-1, circuit 10 (LG/RD), harness side. 2004 Ford Expedition Brake Light Switch NoINSTALL a new multifunction switch. 2008 F150 Brake Light Switch Doing so can result in air bag deployment, which can result in personal injury.

NoGO to L2. his comment is here When you push on the brake pedal a second and third terminal (if equipped with a third brake light) will have electrical power. Many vehicle’s brake light circuits share the same wire as the turn signal. YesGO to I3. Ford Expedition Brake Lights Not Working

I have rear lights, but cannot get brake lights to work. Measure the voltage between the indicator flasher relay C2047-2, circuit 296 (WH/VT), harness side and ground. Be sure to disconnect auxiliary batteries and power supplies (if equipped).Disconnect the battery ground cable (14301) and wait at least 1 minute. this contact form Expert: Shawn replied5 years ago.

Also, it seems a shame to have to replace the whole CJB. 2001 Ford F150 Brake Lights And Turn Signals Not Working Expert: Shawn replied5 years ago. WARNING: To reduce the risk of personal injury, do not use any memory saver devices.

No Brake Lights Resolved Question: I have 2005 Ford F150.

If this is true on your vehicle, turn the directional signals on. Everything else seems to be working in there. NOTE: The air bag warning lamp illuminates when the RCM fuse is removed and the ignition switch is ON. 2007 F150 Brake Light Switch One of the more effective tools in diagnosing an electrical problem like yours is a test light.

TEST the system for normal operation. The flashing might not occur until approximately 30 seconds after the ignition switch has been turned from the OFF to the ON position. NoGO to I2. navigate here Have any Questions About ALLDATAdiy.com?

Credentials confirmed by a Fortune 500 verification firm. Disconnect: Indicator Flasher Relay C2047. Ask Shawn Your Own Question Shawn, Auto Service Technician Category: Ford Satisfied Customers: 3756 Experience: 16 years experience Ford,Nissan and Honda dealership in all areas 8633277 Type Your Ford Question Here... YesINSTALL a new stoplamp switch.

If this occurs, the air bag indicator and any SRS fault discovered must be diagnosed and repaired. The air bag indicator will remain lit continuously (no flashing) if the correct RCM fuse has been removed. The brake lights will not work. If the stop light switch is good and the wiring to the rear is good then you likely have a bad directional switch.

Please reply as soon as possible so that we can finish answering your question.Edited by Shawn on 2/17/2011 at 4:35 AM EST Shawn and 4 other Ford Specialists are ready to TEST the system for normal operation. I'm having trouble locating after market CJBs. The stop light switch should have electrical power to one terminal of the connector at all times.

Disconnect: Multifunction Switch C202c. Get a Professional Answer Via email, text message, or notification as you wait on our site.Ask follow up questions if you need to. 100% Satisfaction Guarantee Rate the answer you receive. This will reduce the risk of injury in the event of an accidental deployment.