This happened to me and it was because my trailer hitch plug had a ground problem and I kept blowing fuses also. SOURCE: 2006 f150 keeps blowing turn signal fuse. Re: trailer lights blowing fuses Thanks, I will check the ground wire again. My car is a track car and the brake lights must work or it doesn't go on the track. Interestingly we … Turfer LawnSite Member. Next, I pulled the connection to the brake switch at the pedal and the fuse did not blow. If you keep blowing the brake fuse than you have a short in the system. Chevy dealer says it is the trailer, but the lights work when hooked to another truck. Fuse Stud 2 IS the 30A fuse, suppling +12V to brake controller, for the trailer electric brakes. I was down in W. Virginia last weekend and I was told my brake lights were out. Blew the same fuse 3 times. Hopefully this will save you some money and time. I have a 2013 F-150 that keeps blowing the trailer signal/brake fuse under the hood when I have my "brand new" trailer plugged in and apply the brake. On my way back after weekend, same happened and fuse blown again. Doesn't matter if it's hooked to a trailer or not. Shook all wires while running but sitting still and did not blow. i checked all the wiring from the rear of the cab back and repaired all the grounds and removed the trailer harness. The fuse in my 2015 chevy silverado keeps blowing for my running lights for my trailer. After checking the fuse box I found the "Tail" fuse to have blown. Messages: 99. Hi all. It's far more likely you have an electrical system problem. Your IP: 132.148.131.197 The brake light switch is powered by the fuse and then powers the rear brake lights and third brake light also. 2004 SILVERADO 2500 HD 8.1 ALLISON 5 SPEED, http://www.gmupfitter.com/publicat/2004_BB/2003_Beyond_LD_Electric_CK.pdf, Duramax First Generation: 2001-2004 (LB7), Duramax Second Generation: 2004.5-2005 (LLY), VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. everytime i press the brakes the fuse for the brake lites blow. S. My tail light fuse keeps blowing when I put on the brakes. Inserted new fuse and the brake lamps do not light up before the fuse blows. gday, as soon as i turn my car to "on" the brake light fuse blows straight away, and i cant figure out why. Brake switch is good. Any ideas Yes I did Thats where I seen that the wires were tight. I disconnected my trailer wires.. And looked where the bulbs go.. All looks good. I have a fairly new 12' x 6.5' trailer with the normal 4 pin light connection. Brake Light Fuse Keeps Blowing. The first thing to check is the trailer wiring if you have it. 1,374 Posts. Hey all,, my brake light fuse keeps popping.. Unplug the brake switch. Can't figure out why the fuse keeps blowing 2006 Silverado 2500HD ec/sb, 6.6L LBZ, BD exhaust manifold, SD manifold, Airdog 100, S&B cold air kit, MBRP 304 catback exhaust, Tony's PCV reroute, Autometer boost & Pyro on a-pillar, Diablo Predator, 43 gal. I think thats where the corrosion issues happen on the plugs, not the pins you see when you open the little door. The signals are sending power from the signal switch so you have 2 power sources going to the taillights both having fuses blow so the short is past both switches so start at the back & work forward. I've checked the wires and the harnesses to each but I don't see anything obvious. I have looked at all the brake wiring from the bulkhead through to the brake lights and trailer socket and can see no problems, though obviously not inside the chassis. I have a 2004 Chevy 2500 hd, the fuse for the trailer turn and brake light on the right side keeps blowing. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Been blowing the 15A fuse when I step on the brakes. Thanks for all the great advice! My brake light fuse keeps blowing, do you have any idea ... - Answered by a verified Ford Mechanic. Not sure what I would see there anyways. The other likely source would be a pinched wire under truck, which you would have to hand over hand this wire from Underhood Fuse box to trailer connector, looking for wire insulation scraffed, wire pinched or mashed. Shawn : I assume you are blowing the fuse for the brake controller. Did you check the back side of the plugs, where the wires go into it ? I hook up to another truck and I have running lights in my trailer. It's the round 7 pin plug. Brake light fuse keeps blowing Now it lasts 30 minutes or so and then blows. With the fuse out, the resistance from the second (non-12 V) side of the fuse should be open circuit to ground with the brake pedal up, and drop down to a few Ohms with the pedal pressed down (bulbs in). Trailer keeps blowing Truck brake light fuse !! Checked the fuse and immediately noticed two tings. There are 2 possibilities. The power also goes into the body control module to signal to unlock the shifter interlock. I bought it last year and the brake lights were not working so I replaced the brake sensor on brake pedal along with a lot of missing fuses. Jump to Latest Follow 1 - 14 of 14 Posts. everytime i press the brakes the fuse for the brake lites blow. The trailer that blows the fuse actually has less (only 2 versus 6 on the other)lights than the bigger ones i use that dont blow the fuse 2. ive checked the globes themselves, for moisture, broken wiring in the boot, continuity from the LHS light to the parcel shelf and also for RHS, no broken wireing there. Jump to Latest Follow ... You should try disconnecting the brake switch then put the fuse in if it blows still then its from the switch to the Rear bulbs. ... Doesnt explain the blowing of the fuse. My brake lights, turn signals and hazards don't work. I had a friend that worked for the dealership so he and I fixed it in 30 minutes. Anyways good luck Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Any ideas Posted on Oct 09, 2009 I have a 2004 2500 HD 8100 and recently started blowing fuses in the trailer brake circuit. Have you installed another brake light. I got too frustrated with mine tonight. Not immediately only after 3 to 5 minute drive. Hey guys previous owner of my truck wired up a brake controller, I noticed I have no power at controller (hooked it up to trailer and no go). If it did not blow than the problem is after the brake switch. Hi, all! Posted by John Casner on Jun 01, 2015 You see when a fuse blows it's because it's lost current, when current is lost the amp draw goes up and pops the fuse. I removed the Prodigy brake controler from the circuit thinking that might be the culpret but I still blow fuses. It sounds like the fuse is doing what it is supposed to do, and burning out when there is a short circuit. Did the fuse blow. So I put a new fuse in and tested by pressing the brake pedal. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Ford Super Duty (1999-2016) :: Fuse 13 Keeps Blowing - Brake Lights / Turn Signals And Hazards Don't Work Every time I step on the brakes, there is a bright spark in fuse #13. Checked all bulbs, fine, but didn't do what knoxtaco recommmended yet. It is the 30 amp fuse top right hand side of under hood fuse panel. Really some electrical troubleshooting will reveal a problem. 1.) brake light blown fuse FIXED Once again I thank everyone here. Next unplug the turn signal switch, then plug the stop light switch back in and press the brake pedal. If that all Checks out Then I suspect there is a short in your trailer. Discussion in 'Lawn Mowing' started by Turfer, Sep 15, 2000. Overtime I replace the fuse for my brake lights it blows again. What fuse or fuses specifically are blowing? Here's the history of things I have done to the car to give a clue as to what I could have screwed up or what's broken. Post by Outlaw71 » Thu Feb 09, 2012 8:21 pm I have been restoring an 85 B2. Obviously the problem is in your truck if … This may be stupid but my question is if I have the wires wrong, then why do the turn signals still blink? There is a 20 amp fuse in the passenger kick panel that controls the trailers running lights (brake lights and turns are another circuit) that keeps blowing. I have a 2003 Honda Odyssey and every time I step on the brake pedal, it blows my STOP fuse under the hood (which takes out my ability to shift out of park, use my horn and the brake lights also go out.) Titan fuel tank, Rhino-liner, Retrax cover, TracRac system, Lund Trident bug shield, Schefenacker TTT tow mirrors, Duraflaps, Cobra 29 LX CB, Pioneer AVIC-X910BT head unit, Allison deep pan & filter & Suncoast filter lock with Transynd fluid, MA pump rub fix, upgraded Setrab Transmission cooler, Raptor 5" oval step bars, 16k pullrite superglide 5th wheel hitch, MaxBrake trailer brake controller, CX1042 air horn behind grille, Viair 20007 air source in bed. Then no signal or brake lights on trailer. from Cary, North Carolina. I need to know why the fuse keeps blowing When I push the brake pedal down. Appears this was half a*s repaired once before. It may sound complicated and expensive, but don't worry. I would like to look under the fuse compartment under the hood but to remove the shroud it looks like I need to remove a body brace to get it out. Doesn't matter if it's hooked to a trailer or not. many times you will find an animal has chewed the wires . Checked the wiring and can't see any obvious shorting at the tail lights. Next, put a fuse in and see if it's the brake lights or the hazard lights that pop the fuse. Well it could be a number of things. If not then problem was in one of the bulbs. Performance & security by Cloudflare, Please complete the security check to access. I replaced the trailer plug and inserted a new fuse. I'm back from WV after my prob with my 92 LC and now I'm having a prob with my 1994. The brake lights also stopped working. Any ideas would be appreciated. I would first check and replace all the rear brake light bulbs and then see if the fuse still blows. My brake light/horn fuse keeps blowing I unplugged the harness of the two bake brake lights plugged one in at a time and found out that the one on the drivers side keeps blowing the fuse if I unplug it the other 2 brake lights work. Gonna try again tomorrow. Top. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Take it apart and check inside to be sure that the wire connections are not shorted somehow to the taillight circuit. I have a 2004 Chevy 2500 hd, the fuse for the trailer turn and brake light on the right side keeps blowing. I have a 2004 2500 HD 8100 and recently started blowing fuses in the trailer brake circuit. i checked all the wiring from the rear of the cab back and repaired all the grounds and removed the trailer harness. Reply. I thought it might have been the bulbs so I replaced all the lights in the rear and same results, fuse keeps blowing. Thanks Paul. • There is no trailer wiring on truck. Not sure where to post this topic so here goes. It's most likely the brake light, but it best to check. Blowing the signal fuse indicates the short is not at or near the brake light switch which is located at the brake pedal. Almost immediately the fuse blows again. For a better experience, please enable JavaScript in your browser before proceeding. Know, the fuse for the trailer plug and inserted a new fuse the... Day camping trip next unplug the turn signal switch, then plug the stop light switch is powered by fuse... 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