Question about 2007 Ford F-150

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I have a 2007 f150 with electrical issues. Start engine, 30 to 40 seconds all gages go down to 0,elect, windows don't work heater blower moter shuts off.

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It's possible that the connection at the power distribution box is corroded this is the fuse box under the hood you will see a cable from the positive battery cable attached there. disconnect the battery on both sides then the box connection clean them with alcohol/brake parts cleaner and a rag if white acid is present or greenish blue oxidation lightly brush it away and use a very light sand paper or an emery board that women use for there nails DO NOT USE A WIRE BRUSH ON THE TERMINALS THIS WILL MAKE THEM SMALLER AND THE BATTERY TERMINALS WILL BE LOOSE FITTING THIS WILL CREATE BATTERY DISCONNECTION ISSUES YOU CAN USE AN OLD TOOTHBRUSH//// AFTER just lightly use the sand paper to make the surface shiny then if you have carbon conductive grease apply it to all connections /////the box cable/////the battery terminals and reconnect all connections and while your at it clean the cable connections to the starter the same way and alternator cable connection once done your problem should be solved but if not you have now eliminated power from under the hood that can cause this and this is the most common one DO NOT USE DIELECTRIC GREASE OR ANY OTHER GREASE THAT IS NOT CONDUCTIVE//// If your problem is still present post back and we will go deeper into the wiring system but for now what was described above should be what's needed remember///NO WIRE BRUSH ON THE BATTERY POST//TERMINALS/// ONLY CARBON CONDUCTIVE GREASE OR BATTERY GREASE THE FIRST ONE IS THE BEST OVERALL AND CAN BE BOUGHT AT AN ELECTRONIS STORE///// AND ONLY LIGHT SAND PAPER 1000 GRIT AND VERY LIGHTLY SHINE ALL METAL SURFACES AND GREASE HAVE FUN AND GOOD LUCK STEPHEN

Posted on Dec 03, 2016

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I have a 2007 f150 with electrical issues. Start engine, 30 to 40 seconds all gages go down to 0,elect, windows don't work heater blower moter shuts off, radio and 4 wheel drive no work


Could be a lose connection on a ground circuit or a SJB - smart junction box problem . A SJB is a electronic control module that ford use's to control lighting and the windows and the door locks and other thing's . Some time's these problems set DTC'S - diagnostic trouble codes in the computer . These DTC'S help a tech. diagnose and pin point a problem . This could simple be a lose connection like i said above or a little more invloved . You could look at a wiring diagram for all thing's you have listed an see if they have anything in common . And check it with voltage drop testing . There are videos on youtube on basic automotive electrical testing , voltage drop testing . etc... You can find free wiring diagrams at http://www.bbbind.com/free_tsb.html . Doing some of this testing would in all likelyhood need parts of your vehicle taken apart . Instrument panel for starters .... Because behide the I/P are a lot of ground points for electrical circuit .

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1 Answer

Hearter temp control was blowing too hot, now only blows cold


Clicking sound you hear is the worn brushes in your blower motor. At this point the blower moter may or may not start with the switch. THe blower motor is faulty so I would change that first, then check for vacuum leaks or faulty selector cable for the heat blend door. It could have came off door side or heater control side.

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1 Answer

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the electrical connection at the blower moter is probably rotted or loose. you can see it under the glove box sometimes. you will probably need a new blower motor and/or electrical connector. take it to a small local shop and they might be able to rig something inexpensively.

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When I turn on the heater or air conditioner , what sounds like the blower squeals and then the pick up will quit . could the blower be pulling the altinator down and killing the engine.


it is most likely the clutch on your ac compressor has siezed. start the truck.....turn on a/c and look to see if the pulleys are all moving

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I was driving down the road and my heater quit working and filled the truck up with smoke and i burned up the heater blower moter i need 2 know how 2 take the heater blower motor off and replace it ?


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you may need to replace the blower motor its on the passenger side firewall and it is the only motor in that area held in by three screws and a plug

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1 Answer

Honda accord 1996 v6 2.7 liter,rpm gage jump up and down


Here is the most common cause of surges and stalls, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

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