Ford F-150 - 1997-2003 :: Brakes Do Not Work If Running Lights Are On

Trailer light dont work right. If the running lights are on the brakes dont work. If the running lights are off the brake lights work fine. I cant drive at night this is a huge issue for an up and coming transporter. Its not the trailer lights ive eliminated that with my plug checker. Is it the rely? Blown fuse? Or common ford electrical mess up?

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Ford F-150 - 1997-2003 :: 2001 - All The Lights Pulsate At A Steady Rate When Running

2001 F150 4x4 5.4 gasoline, 200k miles

I have had the vehicle for about 3 years now. One thing I noticed when originally I got it, was that all the lights, headlights, tail lights, dome light, instrument panel lights would pulsate at a steady rate when it was running. It did not matter whether it was idling or doing 70 on the highway.

When I bought the truck, the stock plastic headlights had long since seen better days. So shortly after I bought it, I swapped out the headlights with new high intensity ones. Each side has it's own high voltage power supply. They have worked fine since I installed them.

Tonight I left the truck running when I parked, and I got out and looked at all the lights. Headlights are fine and steady.

All the other lights, parking, instrument, tail, dome, are still pulsing. It is a steady constant pulsation of less than 1/2 second pulse. The only light that was not visibly pulsing was the digital display on the radio.

What could be the culprit here? Ignition noise? I have never replaced the alternator. It may be original. The battery is less than a year old. Again, it's done this pulsing since day 1, when I bought it used and BEFORE I replaced the stock headlights.

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Ford F-150 - 1997-2003 :: Rear Turn Signals Fast And No Tail Lights

My '99 F150 is having wiring issues. It started with a left flasher being fast and the rear bulb not working. I put in new bulb and that didn't fix it. Then I realized that I also had no tail lights. The reverse lights are good and the brake lights work too.

So far I have searched for and repaired suspicious splices done by PO, added a ground wire that was cut off from the trailer wiring harness, checked every fuse that I could with an ohmmeter and I pulled the multi function switch and tested it with an ohmmeter also. It tested fine but I did find one of the female pin connectors had pulled out of the harness. I managed to get it back in and seemed to click into place alright. Somewhere over the course of all that I now have both sides of my flashers fast and still no tail lights. Good news is that I haven't broken my brake lights or reverse lights yet.

Could I have a bad flasher relay? Earlier in the process I did have my 4 way flashers working correctly and a couple times I even had the turn signals going. Now, none of the rear blinking lights work but the front ones go 90 to nothing and I still have no tail lights. My truck does have the auto lamp thing.

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Ford Super Duty (1999-2016) :: 2004 F250 - Rear Tail Lights And Front Running Lights Not Working

The rear tail lights on my truck have been out for a while now. I wasn't doing much driving at night so it wasn't much of a bother but the new job is getting me home a little later and having to drive with my hazards on is getting old fast.

My radio wasn't working either and I disconnected it a while back hoping maybe it had something to do with my lights shorting out but no luck. It remains disconnected. Just in the past few days my front running lights have went out as well.

I've tested all fuses multiple times (and replaced a couple of them) and checked and replaced bulbs. My brake lights, headlights, dash lights and hazards all work fine. I have the trailer light hook up on the rear bumper and disconnected it at the wiring harness as well hoping it was the problem but it wasn't.

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Ford Ranger / B-Series :: 1996 - No Running Lights On The Rear End

I have a 1996 ford ranger and i have no tail lights i have license plate lights, brake lights, Hazard and turn signals. But no running lights on the rear end. Where the grounds are for this circuit and if some one has a schematic for this ranger...

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Ford Excursion :: No Rear Running Lights Or Dashboard Lighting

I have a 2001 7,3 TDI. Yesterday I rented a trailer and when I connected the cable from the trailer to my car, the rear running lights and the dashboard lighting died. I have checked all the fuses. I read that the dash lights go out when the rear running lights go, but I cant find out what fuse or relay to change. I have checked the fuses in the car and in the engine room, but I cant find a broken one. What to do ?

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Ford F-150 - 1997-2003 :: 2003 - Running Sluggish Even Replaced Plugs / Cops And Cleaned MAF Sensor?

I've tried everything I can think of and it still runs sluggish.

1. Had dealer change plugs
2. Changed Cop's
3. Cleaned MAF sensor

The 5.4L has slight miss and doesn't respond well at all when trying to pass or going uphills.

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Ford - Explorer :: 1997 4x4 - No Running - Shudder In Rear Tire - Front Never Spin?

My Explorer is a 1997 with the control trac 4x4 system. It's only purpose in life at the moment is to plow snow and its been doing that quite well. I typically leave it in 4lo all the time. Every once in a while, I will switch it to the other modes to ensure they are all working.

Today I was plowing and it looks like I'm getting nothing, or next to nothing to the front wheels. There is some shudder if the rear tires begin to spin, but the front never spin, or lock up. I can feel/hear the transfer case shift when I change modes between auto/4hi/4lo as I usually do, but the front wheels just are not doing their job. All three modes are not driving the front wheels.

The transmission was rebuilt a few years ago, and it's shifting fine. I'm suspecting the transfer case. Only my OD light is flashing, but it only does that once in a blue moon. I plugged my code reader in and it could not read those codes. I was able to clear the light though.

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Ford F-150 - 1997-2003 :: Signal Lights Will Not Blink Normally When Hazard Lights Turned On

My passenger side front signal light works properly, but when I turn my hazard lights on it will not blink normally (the other 3 blink). Inside my truck when looking at my dash I see the small green blinking arrow for the left signal, but not for the right when the hazards are on. When using the signal normally, I see the small blinking green arrow for the right signal though.

1997 F150 Supercab, 4.6L V8

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Ford F-150 - 1997-2003 :: Park Lights And Instrument Cluster Lights Out

99 F-150 V-6, 125,000 miles: I repaired the odometer connection on the cluster mother board! It now works great but now have no running (parking) lights and no backlights for the instrument cluster. I think (!) they were working before I pulled the cluster to fix the odometer--not sure. Fuzes are all good--I metered each with ohmmeter for continuity, and also have 12V to the right fuzes with headlite switch in Park and Head. I replaced the headlight switch with a new one but still the same problem. Have I messed up something in the cluster board or connections by soldering there? I don't know what role the cluster plays in feeding the running lites or the cluster backup lites. Stumped. What am I missing?

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Ford F-150 - 1997-2003 :: No Brake / Turn Signal Or Hazard Lights When Trailer Lights Plugged In

I've got a 2001 f150 supercrew 4x4 with the 4.6. I plugged in trailer lights and now I have no brake, turn signal, or hazard lights. I've checked fuses and none are blown.

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Ford F-150 - 1997-2003 :: Fog Lights To Come On With Just Park Lights?

Is there a way to be able to make the fog lights come on with just the park lights? Like a aftermarket switch or anything?

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Ford Super Duty (1999-2016) :: 2002 F350 5.4L - No Brake Or Rear Running Lights

2002 f350 5.4L

No rear running lights or brake lights
No third brake lights
Headlights work
No signals or hazard.

I have power to the multifunction switch when I use a jumper wire to bypass the switch I can make the lights come on depending on which slot I put it in. I replaced the multifunction switch twice just to see if I got a new bad one the first time, but to no avail. I cant run my truck a night without the lights.

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Ford Wiring/Electrical :: 1995 F350 - Function Of Small Yellow Running Lights On Rear Fenders

I have a '95 dually and it has small yellow running lights on the rear fenders. The only time those lights will come on is when the headlights are on (or parking lights) and I put it in reverse. Not sure, but I would have guessed they are supposed to on when the lights are on and go out when the truck is put in reverse.

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Ford F-150 - 1997-2003 :: Running Hot After One Minute Of Idling

My 1997 ford f150 4.6 triton runs hot after 1 minute of idling. I changed the two coolant sensors, flushed the radiator, and changed the thermostat. I also went to have a diagnostic done at two different places and nether one could get a reading....

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Ford F-150 - 1997-2003 :: Running Too Lean On Both Banks

My F150 5.4 V8 is running to lean on both banks according to my code reader. I have replaced the fuel filter cleaned up the air filter and I am about to put in seafoam in the gas tank to clean out the jets and carb. I thought fuel pump but have never had to deal with this before. I just bought the truck last thursday. Also my gas gauge is stuk at empty and the low fuel light is on ....

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Ford F-150 - 1997-2003 :: 1998 - Won't Stay Running?

ran fine the day before, fuelled up that night, next morning it did this. cleaned the IAC, tried a different TPS, cleaned mass air flow sensor. check vacuum lines. put couple bottles of gas line anti freeze in.

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Ford F-150 - 1997-2003 :: Rough Running Only In The Morning

My 1997 f150 4.2L 2 wheel drive truck has been running rough only in the morning. In the last year I have changed the plugs, wires etc. As soon as I start the truck and attempt to drive, it is very hesitant, runs rough etc., but if I only give it a little gas and not push it - the truck will run fine. This will only last about 45 seconds and then it runs normal for the rest of the day. I do not have original FORD sparkplugs and someone told me that might be why. I spoke to a mechanic (did not work for Ford) and he told me it wouldn't make a difference.

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Ford F-150 - 1997-2003 :: Running Hot When Sitting Still In Park

I have a 1998 ford f150 with a 4.6 v8 it has about 170,000 miles on it. The truck seems to run hot when sitting still in park. I have replaced the radiator, the thermostat. I am lost at what could be causing this issue. when I am going the truck will cool down however if you ever let it get hot it takes longer to cool it down as opposed to getting in it and just going and not sitting before going.

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