Question about 2008 Ford F-150 SuperCrew

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Tail light troubleshooting

Tail lights dim when appling the breaks cruse goes off when turning on turning signals

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  • 62 Answers

Possibly the ecm or also could be a dead short in the turn signal switch

Posted on Mar 23, 2014

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6ya6ya
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Posted on Jan 02, 2017

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pippall
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SOURCE: 2006 Ford Ranger. Rear passenger side tail light

Bad earth connection.Clean or replce wire.

Posted on Jun 18, 2009

  • 75 Answers

SOURCE: no tail lights

look for a blown fuse in your engine compartment fuse box. if you dont find one there then check the fuse panel in the dash under you column. it could be one of the larger feed fuses in the engine compartment fuse box so dont overlook those.

Posted on Jan 27, 2010

  • 65 Answers

SOURCE: 2006 ford e250 van\r\rear tail lights dimmed and now dont work(.)

check the fuses and relays under the hood next to the battery. if they still dont work it might be in the wiring or if it has a tow package it might be in the trailer wiring

Posted on Feb 09, 2010

  • 84 Answers

SOURCE: 1979 Ford Bronco 400M engine. Tail lights work but

The brake light and the turn signal are the same bulb. Most of the time if the bulb on the dash stays on it is because a bulb is blown and thats the way it tells you.

Posted on Feb 17, 2010

  • 27 Answers

SOURCE: 1992 ford ranger =no tail lights,,,,brake and turn signals work

try turning your lights on.....

Posted on Mar 18, 2010

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I have a 2002 GMC 1500hd 4x4 6.0 gas engine. Have no break lights. Tail lights and turn signals work fine. Replaced fuses and stop light switch and still have no break lights


GM had a lot of problems with the circuit boards that house the rear lights. My suggestion is to use a test light clip one end to the trucks body parts then remove brake light switch the orange wire should light the bulb on test light this is the power wire, the white wire is the stop light circuit with switch out this also should be lite up. Drop down turn signal switch connector the brake lamp wire goes up the turn signal switch and comes back down the yellow and green wires no power there it is a bad turn signal switch. If Ok Now remove one tail lamp assembly unplug harness and test for power if still have no power trace wiring back to fire wall and check at bulkhead connector. IF ok then circuit board is bad.

Nov 11, 2013 | Cars & Trucks

2 Answers

Tail light doesnt turn on with headlights but works fine as a break light and turn signal, why?


in the rear lights you may have two bulbs one is the turn signal the other one is stop light / tail light the stop light / tail light has two filaments, one for the stop light (21 watt) & one for the tail light (5 watt) it is possible that the tail light filament is blown, try replacing the bulb to see if that fixes the problem,also check all the fuses as well.......hope this helps......cheers.

Aug 15, 2011 | 1994 Cadillac DeVille

1 Answer

I have a 95 pontiac bonneville ssei and the tail lights dash lights and turn signals were not working. i replaced the headlight switch and a fuse and my tail lights and dash lights come on now, but when i...


you have a dead short in the wiring harness. Easiest way to diagnose is remove tail/parking bulbs and systematically replace them one at a time. When you replace them, not buy new ones just unplug them, your problem circuit will be when the lamps go dim. That's your short.

Let me know how it goes!

P.s. is the 666 because of the 3 b's in bobbie? Carefull, one's irthday is 12,22,12 may get upset. lol

Feb 01, 2010 | 1995 Pontiac Bonneville

1 Answer

I hav break and turn signal but no tail lights on


its a fuse! the fuse should say tail lights

Nov 25, 2009 | 1995 Geo Metro

2 Answers

I'm trying to replace the tail lights on my motor home which is built on a for econoline chasis (1988) when I took the old ones off a lot of the wires were pulled out of the assembly or just rusted off. ...


Reconnecting a 7 wire circuit.....I presume you have located the rear JUNCTION BOX, or HARNESS splice.... At the lights wiring.
1. YELLOW = LH Turn signal
2. RED= STOP Lights
3. WHITE= Ground
4. BLACK= LH Tail Light/# plate lamp
5. BLUE [If available] Auxiliary Power Supply
6. GREEN= RH Turn signal
7.BROWN=RH Tail Lights
Depending on style you may find that the LH and RH Tail lamp colours are the same.[ie] Both Brown or both Black.
Best of luck in your endevours.
Regards DT

Aug 26, 2009 | 1987 Ford Econoline

1 Answer

Auto has 23K and cruse stopped working. checked


I had the same problem with my 2003 santa fe. Do you have any brake lights out in back? Weird as it is, as soon as I fixed a burned out brake bulb, my cruise worked again. The only relation I can think of is that tapping the breaks causes cruise to turn off - so maybe a broken brake/tail light passes a singal to cruise control from some reason???

Apr 07, 2009 | 2003 Hyundai Santa Fe

1 Answer

Brake lights dont work, Turn Signals all goofy


First thing i would do is chg. the break light switch, and make sure to chk. all grounds around tailights, sometimes if there is a ground problem it will travel back thru the hot wire to get a ground, witch in turn makes everything go wackey.

Mar 10, 2009 | 2004 Chevrolet Tahoe

1 Answer

Boat traler lights dim when break is applied


Your turnsignal flasher needs to be replaced with a heavy duty flasher.
also, your boat trailor wiring harness is grounded incorrectly or the harness pig tail is wired incorrectly.
this is why when you excite your tail lights and brake lights that your reverse lights come on and the reason that the lights are dimmimg is because your circuits are looking for the correct ground.

Sep 21, 2008 | 2002 Dodge Dakota Club Cab

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Trailer wiring for 06 GMC Canyon 4x4


exactly what does it do? please explain what happens when you press the brake turn on the light than brake signals ect.....

Aug 13, 2008 | 2006 GMC Canyon

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