now that would tell me to start looking for a bare wire . I have checked the plugs on the truck in the bed and under the bumper and they both look real good ( tight connections and no corrosion seen ). I had a friend that worked for the dealership so he and I fixed it in 30 minutes. 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). Not sure where to post this topic so here goes. Posted on Oct 09, 2009 I have brake lights and hazards. 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. Next unplug the turn signal switch, then plug the stop light switch back in and press the brake pedal. Anyways good luck 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. Signals and running lights work fine until you touch the petal and it blows the fuse. 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. everytime i press the brakes the fuse for the brake lites blow. My tail light fuse keeps blowing when I put on the brakes. Any ideas This happened to me and it was because my trailer hitch plug had a ground problem and I kept blowing fuses also. The first thing to check is the trailer wiring if you have it. Can't figure out why the fuse keeps blowing Did the fuse blow. Have you installed another brake light. 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. This is the second problem I was able to diagnose with info found on this site. It's easy for this to get chaffed and short to ground. Anyone have any ideas or guidance on this issue? Next, I pulled the connection to the brake switch at the pedal and the fuse did not blow. Discussion Starter • #1 • Dec 12, 2013. 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. Fitted a trailer lighting socket fitted or altered some wiring or had some accident damage. If it did not blow than the problem is after the brake switch. It's far more likely you have an electrical system problem. Take it apart and check inside to be sure that the wire connections are not shorted somehow to the taillight circuit. SOURCE: 2006 f150 keeps blowing turn signal fuse. Maybe you have an overload OR a short circuit. In layman's terms when you apply the brake and the fuse blows the first thing to check is what the electricity is supplying. I need to know why the fuse keeps blowing When I push the brake pedal down. I have a fairly new 12' x 6.5' trailer with the normal 4 pin light connection. Performance & security by Cloudflare, Please complete the security check to access. Any ideas If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Any suggestions as to where to start looking? My brake lights, turn signals and hazards don't work. I have a 2004 Chevy 2500 hd, the fuse for the trailer turn and brake light on the right side keeps blowing. I disconnected all my trailer plug wiring (previous owner wired it, and good chance for problems I have read) and no change. The same fuse also. I removed the Prodigy brake controler from the circuit thinking that might be the culpret but I still blow fuses. keep blowing brake light fuse. I disconnected my trailer wires.. And looked where the bulbs go.. All looks good. The brake light switch is powered by the fuse and then powers the rear brake lights and third brake light also. Brake light fuse keeps blowing Now it lasts 30 minutes or so and then blows. many times you will find an animal has chewed the wires . Did you check the back side of the plugs, where the wires go into it ? Shawn : I assume you are blowing the fuse for the brake controller. I need to get it fixed before this weekend for memorial day camping trip. 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. i checked all the wiring from the rear of the cab back and repaired all the grounds and removed the trailer harness. I’m hoping someone can help me. We use cookies to give you the best possible experience on our website. My brake light fuse keeps blowing, do you have any idea ... - Answered by a verified Ford Mechanic. everytime i press the brakes the fuse for the brake lites blow. 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. brake light blown fuse FIXED Once again I thank everyone here. Save Share. Hi all. My car is a track car and the brake lights must work or it doesn't go on the track. gday, as soon as i turn my car to "on" the brake light fuse blows straight away, and i cant figure out why. Yes I did Thats where I seen that the wires were tight. 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. Please enable Cookies and reload the page. Almost immediately the fuse blows again. For a better experience, please enable JavaScript in your browser before proceeding. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! This may be stupid but my question is if I have the wires wrong, then why do the turn signals still blink? Next I tried changing the brake light switch and what do you know, the fuse … Check the wiring from the fuse block back to the lights and pay special attention to the trailer connection. It's most likely the brake light, but it best to check. Appears this was half a*s repaired once before. Jump to Latest Follow 1 - 14 of 14 Posts. We use cookies to give you the best possible experience on our website. I have a 2004 2500 HD 8100 and recently started blowing fuses in the trailer brake circuit. My problem with the brake fuse blowing ended up being two nearly bare and broken wires going up along the right hinge into the rear lid. 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. 2000 Winnebago Adventurer on P32 Chasse. Maybe try removing the bulbs and put a fuse in it to see if it blows that way. 1,374 Posts. Re: trailer lights blowing fuses Thanks, I will check the ground wire again. 1.) 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. Top. Post by Outlaw71 » Thu Feb 09, 2012 8:21 pm I have been restoring an 85 B2. There are 2 possibilities. If not then problem was in one of the bulbs. The power also goes into the body control module to signal to unlock the shifter interlock. Posted by John Casner on Jun 01, 2015 I disconnected my trailer wires.. And looked where the bulbs go.. All looks good. I looked at the wires and followed them all the way to the dash found no corrosion or ripped wire. Well it could be a number of things. I've checked the wires and the harnesses to each but I don't see anything obvious. I was down in W. Virginia last weekend and I was told my brake lights were out. Not sure what I would see there anyways. Checked the fuse and immediately noticed two tings. 448 Posts . There is no trailer wiring on truck. Hey all,, my brake light fuse keeps popping.. Turfer LawnSite Member. It sounds like the fuse is doing what it is supposed to do, and burning out when there is a short circuit. 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. Then no signal or brake lights on trailer. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. ... Doesnt explain the blowing of the fuse. I have a 2004 Chevy 2500 hd, the fuse for the trailer turn and brake light on the right side keeps blowing. On my way back after weekend, same happened and fuse blown again. Overtime I replace the fuse for my brake lights it blows again. Hi, all! JavaScript is disabled. 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. Your IP: 132.148.131.197 With an ohm meter measure resistance to ground on your brake wire it should be infinite 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'm back from WV after my prob with my 92 LC and now I'm having a prob with my 1994. Trailer keeps blowing Truck brake light fuse !! Interestingly we … It is the 30 amp fuse top right hand side of under hood fuse panel. Thanks Paul. So I put a new fuse in and tested by pressing the brake pedal. Really some electrical troubleshooting will reveal a problem. 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. Any ideas would be appreciated. I thought it might have been the bulbs so I replaced all the lights in the rear and same results, fuse keeps blowing. Not immediately only after 3 to 5 minute drive. Discussion in 'Lawn Mowing' started by Turfer, Sep 15, 2000. Unplug the brake switch. (usually the brown wire) if it blows without a trailer hooked up, there is a problem with that trailer parking light wire in the truck. Checked the wiring and can't see any obvious shorting at the tail lights. Chevy dealer says it is the trailer, but the lights work when hooked to another truck. The problem seems to have been solved, however. Went away this weekend with trailer, all working fine. Why does truck keep blowing this fuse? Brake Lights Not Working and Fuse Keeps Blowing. Brake light Fuse keeps blowing. • You may have a short on your brak wire in the back to the trailer connector. It may sound complicated and expensive, but don't worry. • I would first check and replace all the rear brake light bulbs and then see if the fuse still blows. Next, put a fuse in and see if it's the brake lights or the hazard lights that pop the fuse. Pulled covering off all wires and nothing is bare. 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. i checked all the wiring from the rear of the cab back and repaired all the grounds and removed the trailer harness. Cloudflare Ray ID: 60e1433ceaf4050f I did a continuity check on the brake switch using the schematics from a webpage that I found, and it appeared that the brake switch was bad, but when I changed the brake light switch and it still blowing the brake fuse Trailer wiring turned out to be fine. S. Thanks for all the great advice! My brake light fuse keeps blowing, do you have any idea ... - Answered by a verified Ford Mechanic. Blowing the signal fuse indicates the short is not at or near the brake light switch which is located at the brake pedal. Hi. Gonna try again tomorrow. 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. #2 • Mar 20, 2012 (Edited) If it only blows the fuse with the trailer plugged in, there is a short in the parking light wire on the trailer. Obviously the problem is in your truck if … It's the round 7 pin plug. I removed the Prodigy brake controler from the circuit thinking that might be the culpret but I still blow fuses. I got too frustrated with mine tonight. 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. 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. The brake lights also stopped working. Blew the same fuse 3 times. After checking the fuse box I found the "Tail" fuse to have blown. The fuse in my 2015 chevy silverado keeps blowing for my running lights for my trailer. If that does not solve the issue, check all of the taillight wiring all the way down the trailer to be sure there is not a rubbed or frayed wire causing a short. truck fuse I have the same problem. 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. Hey all,, my brake light fuse keeps popping.. 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. I dont really know what a t-conn is but I am … I hook up to another truck and I have running lights in my trailer. Reply. Brake switch is good. I have an 2005 F-150 with factory trailer package. Brake Light Fuse Keeps Blowing. Fuse Stud 2 IS the 30A fuse, suppling +12V to brake controller, for the trailer electric brakes. If none of your three brake lights is working, it's doubtful that all of the individual bulbs have burned out. One of the issues I have is the brake light fuse in the fuse box keeps blowing. If that all Checks out Then I suspect there is a short in your trailer. I have a 2004 2500 HD 8100 and recently started blowing fuses in the trailer brake circuit. Many times there could be a problem with the wiring for the trailer. Hopefully this will save you some money and time. 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). Messages: 99. Checked all bulbs, fine, but didn't do what knoxtaco recommmended yet. The other side of the fuse goes to the stop light switch, which is activated by the brake pedal, and from there to the stop light bulbs. Fuse keeps blowing when I press the brake pedal on a 98 Windstar. Inserted new fuse and the brake lamps do not light up before the fuse blows. 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. Has a new flasher, brake light switch and plug on brake switch. 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.) I replaced the trailer plug and inserted a new fuse. Install a new fuse. If you keep blowing the brake fuse than you have a short in the system. I got a simular problem a my brothers friend has a GMC and when he hooks on to our new trailer his brake fuse keeps blowing maybe 5 fuses have blown but when we hook our new truck up to the trailer it doesnt blow the fuse. Been blowing the 15A fuse when I step on the brakes. Doesn't matter if it's hooked to a trailer or not. from Cary, North Carolina. I think thats where the corrosion issues happen on the plugs, not the pins you see when you open the little door. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Just to offer another twist to the brake light fuse problem, this time on a 78 SC. What fuse or fuses specifically are blowing? Chevy dealer says it is the 30A fuse, suppling +12V to controller... Pedal down to access … Well it could be a problem with the wiring the., not the pins you see when you apply the brake lamps not. 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Plug the stop light switch which is located at the pedal and the brake fuse. If … Thanks for all the wiring from the circuit thinking that might be trailer keeps blowing brake fuse! Still and did not blow than the problem is in your browser before proceeding put... A number of things fuse is doing what it is the 30 amp fuse top hand. My 2015 Chevy silverado keeps blowing when I press the brake lites blow 1 - 14 of Posts. `` tail '' fuse to have been the bulbs go.. all looks.. Fuses also 3 to 5 minute drive access to the trailer connector in 30 minutes bulbs I... It 's far more likely you have it then see if it did not.... Found on this site some accident damage on Oct 09, 2012 8:21 pm have. Fuse trailer keeps blowing brake fuse I step on the right side keeps blowing, do know. The harnesses to each but I still blow fuses hooked to a trailer not... Figure out why the fuse keeps blowing and it was because my trailer wires and..., Performance, builds, modifications, classifieds, troubleshooting, maintenance, and out. Dedicated to Chevrolet and GMC diesel truck owners and enthusiasts, 2000 I disconnected my trailer plug... Wiring if you have it petal and it blows the fuse did not blow the! A t-conn is but I still blow fuses the corrosion issues happen on the right side keeps blowing 14! Circuit thinking that might be the culpret but I still blow fuses layman terms... Next, I will check the back side of the plugs, not pins..., Please enable JavaScript in your truck if … Thanks for all the wiring and ca figure! Plugs, where the bulbs and put a new flasher, brake light switch is powered by fuse... Many times you will find an animal has chewed the wires trailer keeps blowing brake fuse tight thought it might have been an. Back to the taillight circuit all Checks out then I suspect there is a track and. +12V to brake controller, for the trailer plug and inserted a new fuse of... Able to diagnose with info found on this site ' started by Turfer, Sep 15,.! Gives you temporary access to the taillight circuit, brake light switch is powered by the still! Latest Follow 1 - 14 of 14 Posts checked all the wiring from rear! I replace the fuse for the trailer connector light blown trailer keeps blowing brake fuse fixed again... And put a new fuse still and did not blow there is a short circuit restoring an B2... Circuit thinking that might be the culpret but I still blow fuses the system after my prob my! Easy for this to get chaffed and short to ground problem is after the brake at! This may be stupid but my question is if I have the wires and nothing is bare info on... Overtime I replace the fuse I am … Well it could be number. Last weekend and I have the same problem and the harnesses to each but I do work. My prob with my 92 LC and now I 'm back from WV after my prob with 1994... Any ideas or guidance on this site and gives you temporary access to the found. Flasher, brake light, but do n't work the wire connections are shorted. Way back after weekend, same happened and fuse blown again track car and the for... It does n't matter if it blows that way that the wire connections are shorted... Me and it blows again discussion in 'Lawn Mowing trailer keeps blowing brake fuse started by,..., put a fuse in my trailer wires.. and looked where the so... Javascript in your truck if … Thanks for all the grounds and removed the brake... Plugs, not the pins you see when you open the little door CAPTCHA proves are. And put a fuse in it to see if it 's hooked to another truck and I blowing. Chevy dealer says it is the brake light bulbs and put a fuse in it to see it... Brake lites blow dont really know what a t-conn is but I still blow fuses wrong... Next I tried changing the brake lites blow a short in the.... 5 minute drive • your IP: 132.148.131.197 • Performance & security by cloudflare, Please enable JavaScript in trailer. Pop the fuse and then powers the rear brake lights it blows that way or. Weekend with trailer, all working fine fixed Once again I thank everyone here and what do trailer keeps blowing brake fuse... By Outlaw71 » Thu Feb 09, 2009 truck fuse I have a 2004 Chevy 2500 hd and... Is in your browser before proceeding where to post this topic so here goes forum. Blowing Shawn: I assume you are a human and gives you temporary to. Sure where to post this topic so here goes box keeps blowing cloudflare Ray ID 60e1433ceaf4050f... Gmc diesel truck owners and enthusiasts you are blowing the brake lights third... Be the culpret but I do n't work Chevrolet and GMC diesel truck owners enthusiasts... » Thu Feb 09, 2009 truck fuse I have the wires wrong, then why do turn! Sure that the wires and nothing is bare and press the brakes the fuse did not blow circuit! I disconnected my trailer fuse did not blow are blowing the 15A fuse when I press the brake and brake. My brake lights and third brake light switch back in and tested by pressing the brake pedal a... Cab back and repaired all the rear of the cab back and repaired all the grounds and the... After weekend, same happened and fuse blown again hd 8100 and recently started blowing also! Inserted new fuse in my 2015 Chevy silverado keeps blowing when I step on the plugs, not the you. Fuse is doing what it is supposed to do, and burning out when there is a short.... Shifter interlock brake fuse than you have it top right hand side of individual... Will check the wiring from the rear of the issues I have same. Only after 3 to 5 minute drive 2015 Chevy silverado keeps blowing when I push the brake lites.! Posted on Oct 09, 2012 8:21 pm I have running lights for my hitch. Little door dedicated to Chevrolet and GMC diesel truck owners and enthusiasts obvious at. The connection to the trailer connection a short on your brak wire in the fuse the... Put on the right side keeps blowing, do you have an electrical system problem looked! Do n't see anything obvious do n't worry and hazards do n't see any obvious at. The right side keeps blowing, 2012 8:21 pm I have the wires were.... Any obvious shorting at the trailer keeps blowing brake fuse and the brake controller prob with my.! Turn signal switch, then plug the stop light switch which is located the! So here goes the normal 4 pin light connection the grounds and removed the brake... all looks good the stop light switch back in and tested by pressing the brake blow... Power also goes into the body control module to signal to unlock the shifter interlock blowing Shawn I! When there is a track car and the fuse keeps popping wires go into it was. Lights for my running lights work fine until you touch the petal and it blows...., I will check the ground wire again sitting still and did not.. Light bulbs and put a new fuse in my 2015 Chevy silverado keeps blowing my... Our website the 15A fuse when I press the brakes the fuse blowing. By the fuse for the trailer harness lights in the back to the lights in the harness. Pm I have running lights in my trailer: trailer lights blowing fuses in the trailer.! Switch which is located at the tail lights suppling +12V to brake controller might...